AtHeart Members Profile
Arin
| Full Name |
Lee Arin |
| Birthday |
July 01, 2007 |
| Birthplace |
Wonju, South Korea |
| Age |
19 years and 3 months old |
| Height |
5 feet 4 inches (164 cm) |
| Zodiac Sign |
Cancer |
| Chinese Zodiac Sign |
Pig |
| MBTI |
ISFJ |
| Nationality |
Korean |
| Education |
Hanlim Multi Arts School |
| Position |
Leader, main dancer |
| Instagram |
@arinatheart |
Michi
| Full Name |
Kim Misook |
| Birthday |
May 06, 2007 |
| Birthplace |
Honolulu, Hawaii |
| Age |
19 years and 5 months old |
| Height |
5 feet 8 inches (174 cm) |
| Zodiac Sign |
Taurus |
| Chinese Zodiac Sign |
Pig |
| MBTI |
ENTJ |
| Nationality |
Japanese-American |
| Instagram |
@michiatheart |
Katelyn
| Full Name |
Katelyn Angela Ejercito Tan |
| Birthday |
July 24, 2007 |
| Birthplace |
Parañaque, Philippines |
| Age |
19 years and 2 months old |
| Height |
5 feet 3 inches (162 cm) |
| Zodiac Sign |
Leo |
| Chinese Zodiac Sign |
Pig |
| MBTI |
INFJ |
| Nationality |
Filipina |
| Instagram |
@katelynatheart |
Bome
| Full Name |
Lee Bom |
| Birthday |
November 26, 2007 |
| Birthplace |
Geochang, South Korea |
| Age |
18 years and 10 months old |
| Height |
5 feet 5 inches (166 cm) |
| Zodiac Sign |
Sagittarius |
| Chinese Zodiac Sign |
Pig |
| MBTI |
ISFJ |
| Nationality |
Korean |
| Education |
Hanlim Multi Arts School |
| Position |
Main vocalist |
| Instagram |
@bomeatheart |
Seohyeon
| Full Name |
Moon Seohyeon |
| Birthday |
September 12, 2008 |
| Birthplace |
Taean, South Korea |
| Age |
18 years and 1 month old |
| Height |
5 feet 3 inches (162 cm) |
| Zodiac Sign |
Virgo |
| Chinese Zodiac Sign |
Rat |
| MBTI |
ISTP |
| Nationality |
Korean |
| Instagram |
@seohyeonatheart |
Aurora
| Full Name |
Nakai Aurora |
| Birthday |
July 04, 2009 |
| Birthplace |
Tokyo, Japan |
| Age |
17 years and 3 months old |
| Height |
N/A |
| Zodiac Sign |
Cancer |
| Chinese Zodiac Sign |
Ox |
| MBTI |
ENFP |
| Nationality |
Japanese |
| Instagram |
@auroraatheart |
Nahyun
| Full Name |
Kim Nahyun |
| Birthday |
September 03, 2009 |
| Birthplace |
Cheongju, South Korea |
| Age |
17 years and 1 month old |
| Height |
5 feet 7 inches (172 cm) |
| Zodiac Sign |
Virgo |
| Chinese Zodiac Sign |
Ox |
| MBTI |
ISTP |
| Nationality |
Korean |
| Education |
Hanlim Multi Arts School |
| Position |
Maknae |
| Instagram |
@nahyunatheart |
Former Member Profile
Sorin
| Full Name |
Jung So-rin |
| Birthday |
July 09, 2007 |
| Birthplace |
Sokcho, South Korea |
| Age |
19 years and 3 months old |
| Zodiac Sign |
Cancer |
| Chinese Zodiac Sign |
Pig |
| MBTI |
ENTJ |
| Nationality |
Korean |
Member Ages: Oldest to Youngest
| Member |
Birthday |
Age |
| Michi |
May 06, 2007 |
19 years, 5 months, 7 days old |
| Arin |
July 01, 2007 |
19 years, 3 months, 12 days old |
| Katelyn |
July 24, 2007 |
19 years, 2 months, 19 days old |
| Bome |
November 26, 2007 |
18 years, 10 months, 17 days old |
| Seohyeon |
September 12, 2008 |
18 years, 1 month, 1 day old |
| Aurora |
July 04, 2009 |
17 years, 3 months, 9 days old |
| Nahyun |
September 03, 2009 |
17 years, 1 month, 10 days old |
FAQs
How many members are in AtHeart?
AtHeart is a 7-member K-pop girl group. The group consists of Arin, Michi, Katelyn, Bome, Seohyeon, Aurora, and Nahyun.
When did AtHeart debut?
AtHeart debuted on August 13, 2025, with their album Plot Twist.