AtHeart Members Profile & Facts

AtHeart (앳하트) is an upcoming seven-member Kpop girl group under TITAN CONTENT. The group members are Michi, Arin, Katelyn, Bome, Seohyeon, Aurora, and Nahyun. The group is set to debut in July 2025.

AtHeart Profile

Debut	N/A
Active Years	2024–present
AtHeart Members	Michi, Arin, Katelyn, Bome, Seohyeon, Aurora, Nahyun
Genre	N/A
Status	Pre-debut
Label	TITAN CONTENT
Oldest Member	Michi
Youngest Member	Nahyun
Former Member	N/A
Fandom Name	N/A

AtHeart Facts:

– The group’s name, AtHeart, is a combination of the words “at” and “heart” and it means that the group is connected heart to heart with their fans and as well as growing into a new world together.
– The agency announced their plans to debut their first US based girl group in July 2024.
– The group members have their own Instagram accounts (which is unusual as the company usually deactivates member’s Instagram accounts prior to their debut) and the agency called it a ‘next-generation’ strategy.
– Pre-debut member Sorin, left the group before their debut in February 2025.

Website: atheart.me

SOCIAL MEDIA HANDLES
Instagram: @atheart.me
Youtube: AtHeart.official
Twitter: @atheart_me
Facebook: atheart.me
TikTok: @atheart.me

AtHeart Members Profile

1. Michi

Stage Name	Michi (미치)
Birth Name	N/A
Position	N/A
Birthday	May 6, 2007
Active Years	2024–present
Age	17 (in 2025)
Zodiac Sign	Taurus
Height	N/A
Weight	N/A
Nationality	Japanese-American
Blood Type	N/A
MBTI	ENTJ

Michi Facts:

– Michi was born in Honolulu, Hawaii.
– She loves pink color.
– She is a fan of NewJeans and PinkPantheress.
– Her hobbies include playing the guitar, and doing art.
– She has a bird named “Airplane”.
– Her motto is “Never give up”.
– Her favorite animals are giraffes.
– Her Chinese zodiac is Pig.
– She loves the spring season
– She considers her passion for her work as her biggest strength as a performer.
– She is fluent in Japanese and English.
– Her family consists of her parents and older sister.
– She is currently learning Korean.
– She and her friends used to perform kpop dance covers at school.

SOCIAL MEDIA HANDLES
Instagram: @michiatheart
Tiktok: @michiatheart 

2. Arin

Stage Name	Arin (아린)
Birth Name	Lee Arin (이아린)
Position	N/A
Birthday	July 1, 2007
Active Years	2025–present
Age	17 (in 2025)
Zodiac Sign	Cancer
Height	N/A
Weight	N/A
Nationality	Korean
Blood Type	N/A
MBTI	ISFJ

Arin Facts:

– Arin was born in Wonju, South Korea.
– She wanted to be a professional dancer but later decided to become an idol.
– Her Chinese zodiac sign is Pig.
– Her mother has been her biggest inspiration and supporter since she was young.
– She is most confident about her dancing and likes to create choreographies.
– She likes black color.
– She is nicknamed “Ah-Rong (아롱).”
– Her motto is “Let’s make the best of one life, we live and do everything we’ve wanted to do.”

SOCIAL MEDIA HANDLES
Instagram: @arinatheart
TikTok: @arinatheart

3. Katelyn

Stage Name	Katelyn (케이틀린)
Birth Name	N/A
Position	N/A
Birthday	July 24, 2007
Active Years	2024–present
Age	17 (in 2025)
Zodiac Sign	Leo
Height	N/A
Weight	N/A
Nationality	Filipino
Blood Type	N/A
MBTI	INFJ

Katelyn Facts:

– Katelyn was born in Manila, Philippines.
– She was revealed as the fourth member of AtHeart.
– She is fluent in English, Tagalog, and Korean.
– She loved performing and dancing since she was young.
– She was at first uncomfortable when they had cut her bang for a shoot since it had been so long but she later started to like them.
– Her family consists of her parents, six siblings and 17 dogs.
– Her favorite animal is dogs.
– She likes to wear comfortable clothes because they are good for dancing.
– She always goes skiing with her family in winters.
– Her biggest influence is her big family.
– She got into volleyball after she watched the anime Haikyuu.
– She likes to read books.
– Her favorite season is winter.
– She thinks her charming point is her smile or her eyes because people often compliment them.
– Her heartlist includes skydiving, learning skiing and horse riding as a sport, watching hockey games, visiting hometown with members, performing on a musical festival and biggest stage, holding a concert that sells out and having a concert in Phillippines’s Phillipine Arena.

SOCIAL MEDIA HANDLES
Instagram: @katelynatheart
Tiktok:  @katelynatheart 

4. Bome

Stage Name	Bome (봄)
Birth Name	Lee Bom (이봄)
Position	N/A
Birthday	November 26, 2007
Active Years	2025–present
Age	17 (in 2025)
Zodiac Sign	Sagittarius
Height	N/A
Weight	N/A
Nationality	Korean
Blood Type	N/A
MBTI	ISFJ

Bome Facts:

– Bome was born in  Geochang, South Korea.
– She used to perform in the choir in her elementary school and became a part of a band in middle and highschool.
– She attended Mudoctor Academy.
– Her inspirations when she was young were her older sister, SNSD’s Taeyeon and 2NE1.
– She got introduced to Kpop by her older sister and she and her have a large age gap.
– She is nicknamed “BomBom (봄봄).”
– Her name in Korean translates to “Spring”.
– Her Chinese zodiac sign is Pig.
– She loves neutral colors.
– She wanted to become an idol after she saw the crowd’s cheers.

SOCIAL MEDIA HANDLES
Instagram: @bomeatheart
TikTok: @bomeatheart

5. Seohyeon

Stage Name	Seohyeon (서현)
Birth Name	N/A
Position	N/A
Birthday	September 12, 2008
Active Years	2024–present
Age	16 (in 2025)
Zodiac Sign	Virgo
Height	N/A
Weight	N/A
Nationality	Korean
Blood Type	N/A
MBTI	ISTP

Seohyeon Facts:

– Seohyeon was born in Taean, Korea.
– She was revealed as the third member of AtHeart.
– She can speak English and Korean.
– Her motto is “No doubt, everything will work out.”
– She is passionate about dance.
– She got inspired to start dancing after she watched idols on stage.
– Her heartlist includes gifting members clothes that suit their styles, taking a family trip abroad, camping and enjoying a cozy bonfire, pajama party with members, and picking up a new hobby.

SOCIAL MEDIA HANDLES
Instagram: @seohyeonatheart
Tiktok: @seohyeonatheart 

6. Aurora

Stage Name	Aurora (아우로라)
Birth Name	N/A
Position	N/A
Birthday	July 4, 2009
Active Years	2024–present
Age	15 (in 2025)
Zodiac Sign	Cancer
Height	N/A
Weight	N/A
Nationality	Japanese
Blood Type	N/A
MBTI	ENFP

Aurora Facts:

– Aurora was born in Tokyo, Japan.
– She was revealed as the fifth member of AtHeart.
– Her family consists of her parents and older brother.
– She is fluent in Japanese, English, and Korean.
– Her charming point is her mole next to her eye and she has liked is ever since she was a kid.
– Her family calls her “Tomato Princess” because she loves to eat tomatoes a lot.
– Her nickname is “Auchan”.
– She considers music as a source of happiness and comfort.
– Her love for kpop started when she was around 5 years old.
– One of her biggest influences while growing up was her older brother and she used to sing songs with him and mom while he used to play the guitar.

SOCIAL MEDIA HANDLES
Instagram: @auroraatheart
Tiktok: @auroraatheart 

7. Nahyun

Stage Name	Nahyun (나현)
Birth Name	Kim Nahyun (김나현)
Position	Maknae
Birthday	September 3, 2009
Active Years	2025–present
Age	15 (in 2025)
Zodiac Sign	Virgo
Height	N/A
Weight	N/A
Nationality	Korean
Blood Type	N/A
MBTI	ISTP

Nahyun Facts:

– Nahyun was born in Cheongju, South Korea.
– She has been a big fan of IVE’s Jang Wonyoung and she is her biggest influence.
– She wanted to be an idol since she was young.
– Her Chinese zodiac sign is Ox.
– She used to train under SM Entertainment.
– She casted a vote for Wonyoung during Produce 48.
– She likes blue color.
– She considers her energy and performance as her biggest strength.
– Her motto is “Don’t be negative and always smile.”

Former Pre-debut Member:

8. Sorin

Stage Name	Sorin (소린)
Birth Name	N/A
Position	N/A
Birthday	July 9, 2007
Active Years	2024–present
Age	18 (in 2025)
Zodiac Sign	Cancer
Height	N/A
Weight	N/A
Nationality	Korean
Blood Type	N/A
MBTI	ENTJ

Sorin Facts:

– Sorin was born in Sokcho, Gangwon-do, South Korea.
– Her musical inspirations are DPR LIVE and BLACKPINK.
– She considers her calmness as her strength.
– Her favorite animal is puppies.
– She loves to pet dogs whenever she gets the chance.
– Her motto is “Don’t be swayed by emotions.”
– She loves the autumn season.
– She likes green color.
– She aspired to pursue music and become an idol when she was 15 after she performed in front of a large crowd.
– She considers her unique charisma and energy as her strength as a performer.
– She can speak basic English.
– She likes to eat tteokbokki.
– Her family consists of her parents, older sister and grandmother.

SOCIAL MEDIA HANDLES
Instagram: @sorinatheart
Tiktok: @sorinatheart

Note: Which AtHeart member caught your eye first? Let us know in the comments down below!

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