A thorough explanation of ME:I Kokoro Kato's profile, age, height, birthday, and charm! Fan-recommended recommended videos are also available [No. 1 recommended in November 2019]
This time, we are bringing you a special feature on ME:I's Kokoro Kato, who was ranked number one in the popular ranking for November 2025.♪
Kokoro-chan is loved as the oldest member of ME:I.
She has attracted many fans with her unique sweet “sugar voice” and performances with an angelic smile!
Kokoro-chan will celebrate her 25th birthday on November 1st.🎂
We were also selected as number 1 in the ``November's Favorite'' of our user-voted favorite media ``Monthly Favorite Ranking''!
This time, we will introduce you to Kokoro Kato's profile, charms, and recommended videos selected by fans.
In addition, Kokoro-chan's recommended advertisement ® (Birthday/Support Advertisement) Luxurious benefits apply!
Kokoro-chan's recommended advertisements in the following three places will be aired twice as often at the same price as usual!
✅Shinjuku/Unica Vision
✅Nagoya・Hisaya Central Vision
✅Fukuoka CS Vision
Please take this opportunity to take advantage of Kokoro-chan's recommended advertisement®︎(Birthday / Would you like to place a support advertisement?
Read this article and
「I want to celebrate Kokoro-chan's birthday in a big way!」
「I want to advertise for ME:I, but I'm worried about the financial aspect...」
For those who think so, we also have a crowdfunding service called ``Oshikura Fan''!
We are currently recruiting project owners for Oshikura fans!
If you are wondering, ``I want to run an Oshii Ad®︎, but I don't know where to start...'' or ``What kind of media should I use to run an Oshii Ad®︎?'', be sure to check out this list of manual materials.
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✔️Participate in the favorite vote
✔️Direct, free consultation
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First, please register as a friend below.☺️
Table of contents
ME:I Kokoro Kato (COCORO) profile
- Activity name: COCORO
- Real name: Kato Kokoro
- Date of birth: November 1, 2000
- Age: 24 years old (as of October 2025)
- Birthplace: Aichi Prefecture
- Affiliation office: LAPONE GIRLS Co., Ltd.
- Blood type: O type
- Height: 166cm
- MBTI: INFP
- Member color: light blue
- ME:EYE (Official character): CORON
Kokoro Kato is a member of the 11-member girl group "ME:I" belonging to LAPONE GIRLS Co., Ltd.♪
ME:I is a group that was born from the survival audition program "PRODUCE 101 JAPAN THE GIRLS".
Kokoro-chan achieved a final ranking of 11th in "Japan Girls" and secured her debut.
It's Kokoro's birthdayNovember 1, 2000So, his age as of October 2025 is24 years old。
He is 166cm tall, making him the tallest member.
And,A dazzling smile like the sun and a sugary voice that touches your heart.Kokoro-chan is charming.
Although he is the oldest member of the group, he also has a slightly spoiled side, and that kind of gap is loved.♡
He has a warm, enveloping kindness and a dependability that supports the group with his past experience.
Both of these things make Kokoro-chan a big attraction for fans.
This is the second time that Kokoro-chan has been ranked in our company's "Monthly Favorite Ranking"! !
Voting was held in 2024 “24 NovemberAlso won 2nd place in "Tsuki no Oshi"✨
It received 724 votes out of 2,046 votes in the 2024 "November's Favorite" and 490 votes out of 1,300 votes in the 2025 "November Favorite", achieving its second ranking.
As a bonus for ranking in the TOP3 in the 2024 "November's Favorite", a special article has also been published!
We will introduce you to Kokoro-chan's detailed profile and career history, so please read it as well.
Child actor of “Annie” and former member of K-Pop group “Cherry Bullet”
Kokoro-chan isAppeared in the famous musical ``Annie'' when she was in the fourth grade of elementary school.She played the role of Tessie, a shy girl who lives in an orphanage.
And Kokoro-chan actually has experience working in Korea in the past...!
In January 2019, she made her debut in Korea as KOKORO, a member of the girl group "Cherry Bullet" belonging to FNC Entertainment.😊
Kokoro-chan continued to be active as Cherry Bullet, but due to various circumstances including health reasons,
In December 2019, he will terminate his contract with FNC Entertainment and leave the group.announced.
Kokoro-chan's career can be found in a past feature article (🔗“ME:I Deep-dive into Kato Kokoro’s background!”)But we have introduced it in detail, so please check it out as well.☺
ME:I Kokoro Kato (COCORO) SNS information
As of October 2025, Kokoro-chan does not have a personal SNS account,Official SNS as ME:Iis in operation!
On ME:I's official SNS, behind-the-scenes scenes, off-shots, and the latest information are posted every day⭐
We recommend following us so you can quickly check out the appeal of ME:I.✅
- ⭐Official website:ME:I official website
- ⭐X:@official__ME_I_
- ⭐Instagram：@official_me_i_
- ⭐TikTok:@official_me_i_
- ⭐YouTube:@official_me_i_
- ⭐Weibo:@officialmei
As of October 2025, activities are suspended "due to poor health"
As of October 2025, Kokoro-chan is currently on hiatus from activities "due to poor health."
On March 29, 2025, following a doctor's diagnosis, it was determined that he needed to rest, and he announced that he would focus on treatment and rest.
At this time, the return date has not yet been determined.
ME:I Kato Kokoro’s (COCORO) performance with her smiling face is a must-see! Recommended video summary [Selected by 490 YOU:MEs! ]
What is essential when talking about Kokoro-chan's charm is her ``smiling smile'' performance that will heal you just by looking at her!
What's more, Kokoro-chan's sweet and clear singing voice, her powerful vocals, and her sharp facial expressions can all be described as a "natural idol."
Here,Recommended videos of Kokoro-chan selected by 490 YOU:ME (ME:I fan name) members in the monthly recommended rankingWe will introduce all of them!
"MUSE" CHOOM @STUDIO CHOOM ORIGINAL
The first one we'd like to introduce is the ticket from "MUSE" that was released at STUDIO CHOOM ORIGINAL!
Kokoro-chan is in charge of singing, and her unique and stylish voice stands out on stage.♪
You can't help but fall in love with the gap between her charming expression in her cool outfit and her adorable smile.♡
Also, pay attention to her supple dance that takes advantage of her long limbs and her outstanding style.✨
"Hi-Five" CHOOM @STUDIO CHOOM ORIGINAL
The second thing I would like to introduce is the one published in STUDIO CHOOM ORIGINAL.This is Chikkem from “Hi-Five”!
The detailed and beautiful dance lines are eye-catching.
The refreshing song concept and Kokoro-chan's smile go well together, and it feels like the entire stage is surrounded by light.💖
Kokoro-chan, who shines brightly, brings energy to everyone who looks at her.✨
"LEAP HIGH! ~Towards tomorrow, full of things~" Chikkem
The third one I would like to introduce is Chikemu from "LEAP HIGH! ~Tomorrow, Meppaippai~", which was released during the Japan Girls' Generation!
After a hiatus after graduating from Cherry Bullet, Kokoro-chan stood on stage for the first time in a while.
He showed such a relaxed performance that even the fans who have been supporting him since back then were surprised and said, "He's even more powerful!"✨
A gorgeous aura that catches the eye even from a distanceAnd,A charming expression that will make you smileThis is Chikchem, which captivated many viewers with🎥
ME:I What is the charm of Kokoro Kato (COCORO)? Three major points that YOU:ME talks about
From here,We will introduce Kokoro-chan's charms in a condensed manner based on the real voices of fans in the "Monthly Favorite Ranking"I will♡
“Heart Smile” that makes the world smile
The first thing I'd like to introduce to you about Kokoro-chan is her one-of-a-kind heart smile that makes you happy just by looking at her!
When Kokoro-chan smiles, her mouth becomes heart-shaped, and her trademark is the “heart smile”.💗
Everyone on YOU:ME couldn't help but fall in love with that adorable smile, saying, "So cute...!"💡
Coupled with her baby face, Kokoro-chan's euphoric "heart smile" instantly cheers up the people who look at her.☺️
@official_me_i_ 📱:⊹˚₊ #Hi_Five_Challenge #COCORO ﹊﹊﹊﹊﹊﹊﹊﹊﹊﹊ 2ND SINGLE "Hi-Five" Release 2024.08.28 WED #ME_I #miai #미아이 ♬ Hi-Five - HOOK ver. - ME:I
@official_me_i_ 🪞🩵 #COCORO #ME_I #miai #미아이 ♬ Girls Forever - ONE LOVE ONE HEART
Here, we would like to introduce some comments received from YOU:ME users.
- 📢Kokoro-chan's number one point is her cute smile! Her eyes that scrunch up when she smiles and her big heart-shaped mouth are so cute! It naturally brings a smile to the viewer.
And as ME:I's Madonni (eldest daughter), she gently embraces everyone. - 📢Your good personality is reflected in your smile.
When I see Kokoro-chan's smile, I naturally smile too! - 📢After all, Kokoro's smile heals people all over the world!
- 📢A warm smile, a heart-shaped mouth
Melt your heart with the “sugar voice” that represents Reiwa!
The second charm of Kokoro-chan that I would like to introduce is her “sweet and transparent sugar voice” that melts even your heart!
Speaking of Kokoro-chan's pronouns,A sweet and stylish singing voice called “sugar voice”🎤
Once you hear it, you'll never forget it; its delicate, clear voice leaves a soft impression on your ears.
Not only does she sing cute songs with sweet tones, but she also sometimes shows off her cool side with her powerful vocals.
Kokoro-chan's wide range of expressiveness with her vocals makes her the perfect term to call herself a "natural idol."✨
Here, we would like to introduce some comments received from YOU:ME users.
- 📢Once you listen to the enveloping sugar voice, you'll become Toriko! You can make it your own from a wide range of concepts, from cute to cool! ! She's so cute that you can't believe she's the oldest in the group!
- 📢He has a super sugar voice that represents Reiwa!
- 📢When I think of Kokoro-chan, I think of Madonna and her mouth as her charm point, but she also has an amazing singing voice.She can have a sweet voice or a cool voice, and I often feel that when a song begins with Kokoro-chan, it's really tense!
- 📢A unique singing voice! Her voice is as clear as a soap bubble, and her powerful songs are really cool! It's the strongest voice
“The Strongest Madoni” is the cute and mature one that embraces everyone.
The third charm of Kokoro-chan that I would like to introduce to you is her "acceptance and kindness that can only be expected from an older person!"
Kokoro-chan is like a mother who gently embraces the ME:I members.
We have received many comments such as ``It gives me a sense of security'' and ``It's a bundle of kindness'' when the dog gently snuggles up to me.💌
Furthermore, the older sister-like atmosphere that is unique to the oldest person has caused people to talk about it as being ``too melodious'' and ``recommended for real girls''.😍
@official_me_i_ 💄#Smallgirl ✨️ #COCORO #leeyoungji Mr. @이영지 #ME_I #miai #미아이 ♬ Small girl (feat. D.O.) - Lee Young ji
On the other hand, Kokoro-chan has a quite spoiled side among the members.
There is a lot of skinship, and in the content you can often see him being sweet and sweet.👀
Such a variety of gaps is also one of the points of Kokoro-chan's departure from the swamp.🌟
She has a unique presence as a “mature and cute Madonna” who has both tolerance and sex appeal.💄
Here, we would like to introduce some comments received from YOU:ME users.
- 📢“Adult cute” is the key! It's both cute and mature!
- 📢She is ME:I's older sister and mother, but she is also a charming girl who has the cuteness of a spoiled little sister.
- 📢Madonni is the tallest (eldest) in the group! In fact, he is tearful and spoiled. However, she is the older sister that everyone can rely on and admire. Her smile when she smiles is so cute that it makes me smile too!
ME:I Kokoro Kato (COCORO) ranks 1st in 2025's "November's Favorite"!
ME:I's Kokoro Kato (COCORO) was chosen as the 1st place winner of the 25th "November's Favorite"!
What a heart-chan,490 votes out of 1,300 total votesEarn.
After the voting started, many YOU:ME members got excited.♪
From everyone at YOU:ME
“Kokoro-chan, who always has a wonderful smile
Your smile has the power to heal many people. I love Kokoro-chan, who shows off his big smile in cute songs, and how his impression completely changes and becomes a handsome guy in cool songs.
I hope Kokoro-chan has a year of happiness.”
"I'm grateful that I'm living in the world where Kokoro-chan became ME:I's woman.
I love her sweet sparkling sugar voice and smile like the blue sky! ! ! ”
“Happy birthday to Madonna Kokoro from ME:I.
Thank you for being born. Thank you for aiming to become an idol once again and for returning to ME:I. Thank you for meeting me.
Thank you Kokoro-chan for wrapping ME:I and YOU:ME with your smiling face and gentle, warm love. Being able to meet my heart is a treasure in life. You are and will always be my MUSE. I hope Kokoro-chan will always be smiling. I love it. ”
“Happy birthday Koko-chan!
Because of Kokoro-chan, I was able to meet ME:I.
Thank you so much.
Cute cute Kokoro-chan. I love it! !
May it be a year filled with kindness. ”
We received many loving and supportive comments.
Congratulations to YOU:ME as well! !
Also, thank you for participating in the vote.
What are the luxurious benefits only for 1st place?
ME:I, which won first place in this month's monthly recommendation ranking, is limited to Kato Kokoro-chan....
✅Shinjuku/Unica Vision
✅Nagoya・Hisaya Central Vision
✅Fukuoka CS Vision
Promotional advertisement in (Birthday / support advertisement) is``Double the number of broadcasts'' at the regular priceIt will be!
Favorite advertisement (Birthday/ Support advertisement) Let's support ME:I Kato Kokoro (COCORO)!
Do you know about "Oshii Advertising"?
「BirthdayMany people may be familiar with it by names such as "advertising" and "supporting advertising."♪
To briefly introduce it, what is Oshii advertising?Advertisements for fans to support their favoritesIt is!
Here, we will introduce in detail about such advertisements.
Favorite advertisement (Birthday/Support Advertisement) What is it?
As the name suggests, push advertising is"Advertisement for fans to support their favorites"It means.
It is one of the Oshikatsu culture that started in Korea.BirthdayAlso called advertising or support advertising.
He is a familiar presence to K-Pop fans and fans of audition programs.
「I want to support the push!」「I want to celebrate my favorite birthday or anniversary!Fans from all over the world with this idea are voluntarily placing advertisements for non-commercial purposes.
In addition, Oshi advertising has the advantage of not only being able to convey our feelings to Oshi, but also being able to advertise Oshi to a wide variety of people.
If you want to advertise ME:I, including Kokoro-chan, be sure to check the official notes beforehand!
▶Regulations regarding ME:I support advertisements
BirthdayJAPAN has a track record of supporting ME:I's push advertisements.
You can check out the "ME:I recommended advertising examples" actually carried out by YOU:ME members from the article below, so please use it as a reference.♪
Also,BirthdayOn the JAPAN site, you can now easily search for examples of Oshii advertising using keyword searches or narrowed searches.🔍
“Where is everyone advertising their recommendations?”
“What does this medium actually look like?”
“What kind of design are you celebrating with?”
You can check all the points you are interested in at once.BirthdayThis is JAPAN's "Oshi advertising case study introduction" page.
We are posting various recommended advertisement examples regardless of genre, such as idols, artists, actors, YouTubers, etc.
While looking at the photos and information of the recommended advertisements that were actually posted,"There's a place like this!" "This design is wonderful!"Please use this as a reference for ideas.
Furthermore, if you want to know the latest Oshii advertisements and Oshikatsu information as soon as possible,BirthdayWe also recommend following JAPAN Official X!
We deliver useful information such as new articles and recommended advertisements.♪
Make it come true with your friends with “Oshikura Fan”! Dream promotion advertising project
"I'd like to run a promotional ad, but I'm worried about the cost and it seems like a lot of preparation..."I'm sure there are people who are worried about this.
What I would like to introduce to such people is “Oshikura fan”!
What is Oshikurafan?
「Launched and planned a project where individuals would issue support advertisements for their favorites.A service where supporting people can donate money to support advertising.」
That's it!
A major benefit is that by pooling support funds among people who agree with the project, it is possible to issue large-scale advertisements that would be difficult to do alone.
We work with planners to support everything from project launch to advertising arrangements, payment management, and delivery management.♪
In fact, &TEAM, BOYNEXTDOOR, and actor Choi Jong Hyub's club fans achieved the target amount and the advertisement was implemented!
Also, “I want to advertise, but I don't have time to prepare or plan...!If you are feeling frustrated, don't worry!
Even such people can participate in Oshi Advertising by becoming a "supporter" of Oshi Club fans.
This is one of the big strengths of Oshikura fans!
For those who support the project, we will provide return items made with a portion of the support funds.♪
In the unlikely event that the target amount is not reached, there will be no fees and a full refund will be given to supporters, so don't worry.
If you have any concerns about Oshikura fans, please feel free to contact us as we offer free chat and phone consultations on the official LINE!
「I want to know more about Oshikura fans!”, please take a look here!
Introducing the types of advertisements you can run on Oshikura Fan and the process to achieve them.♪
Summary
This timeSpecial feature on ME:I Kokoro Kato (COCORO), who was ranked number one in November's recommendation ranking.We have delivered♪
Speaking of Kokoro-chan, her “heart smile” that instantly captivates the viewer and her soft “sugar voice” are memorable.💖
On stage, he shows a flexible and core performance, and usually supports the members with his kindness and tolerance.
Even though she is the oldest and is in the liaison category, she is a spoiled child on the inside and has a sparkling and charming smile!
With such a variety of gaps, he continues to make fans fall in love one after another.♡
Once again, congratulations to ME:I Kokoro Kato (COCORO) and YOU:ME who were chosen as the 1st place "November's favorite"♪
BirthdayLeave it to JAPAN!
Read this article
“I also recommend advertising® (BirthdayI want to run an advertisement/support advertisement! ”
Isn't there a lot of people who thought so?✨
On the other hand, “But,Some people may feel that Oshii Advertising® seems difficult...'' or ``I'm worried about the procedure...''
In such a case, pleaseBirthdayPlease contact JAPAN!
BirthdayWhen you register for JAPAN's official LINE,Auto-response chat will quickly answer any questions you may have regarding Oshii Advertising®!
Additionally, you can chat with our staff or consult over the phone, so even first-time users can use our service with confidence.📞
Consultation about Oshi Advertising® → media arrangement → design production → post-posting report can all be completed with just LINE, so feel free to add us as a friend!
★BirthdayJAPAN SNS information★
BirthdayJAPAN delivers the latest information on "X (formerly Twitter)," "Instagram," "TikTok," and "YouTube."♪
In addition to information about Oshii Ads®, we also constantly send out trends related to actors, idols, VTubers, YouTubers, athletes, and information on advantageous campaigns.📱✨
Please follow us and check the latest information.
X (@birthday_ad_jp)
「BirthdayI want to check the information about JAPAN as soon as possible! ”, please follow X (old Twitter)!
In X,
- in progressOshi Advertisement® announcement
- Publication of Oshi Advertising® example photos and videos
- Distribution of blog articles about actors, idols, VTubers, YouTubers, and athletes
- Notice of advantageous campaigns
etc.,BirthdayWe deliver the latest information on JAPAN as soon as possible.
#advertisement If you give it out #BirthdayJAPAN🤗💖
— BirthdayJAPAN (@birthday_ad_jp) September 12, 2025
Dedicated personnel such as idols, actors, YouTubers, VTubers, e-sports players, etc. will help you spread the word!
Acceptance rate 95%! Started acting on behalf of companies to apply for permission.📷✨
Also open on Saturdays, Sundays, and holidays! We will respond to your LINE inquiry within 1 business day.♪
BirthdayClick here for JAPAN's past achievements🔽… pic.twitter.com/I7uAhioBdp
Instagram (@birthday.ad.jp)
On Instagram, we are introducing examples of Oshii Advertising® that have been implemented!
For those who are thinking, ``I want to try it myself,'' there are many posts that will surely be helpful!
If you save posts that interest you, you can conveniently refer back to them at any time.
Please follow us and use it for your daily promotion.
TikTok (@birthday.ad.jp)
「I want to quickly see examples of Oshii Advertising® in my free time! ”, we recommend following us on TikTok!
You can view it in your spare time, such as while getting ready in the morning or commuting to work.♪
@birthday.ad.jp 🤍Our customer's #favorite advertisement certification shot📸🤍 #SKE48 #Makiko Saito uploaded a photo with #support advertisement😊💕 Source: https://x.com/saitomakiko_628/status/1876490520002011527
♬ Original song - BirthdayJAPAN
YouTube (@birthday_ad_jp)
Oshii Ad® examples are also being distributed on YouTube!
Please watch the short video to see the advertisements that interest you.
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