한 AtHeart AtHeart (앳하트) is a South Korean Girl Group that debuted in 2025. They consist of 7 members: Arin, Aurora, Bome, Katelyn, Michi, Nahyun and Seohyeon. Read All General Information International Stage Name : AtHeart Domestic Stage Name : Pronounce 앳하트 Fanclub name : Heartbeat Debut Day : 2025-08-13 (Active) Members 20252026 ArinAuroraBomeKatelynMichiNahyunSeohyeon Arin (아린) Full Name: Lee Arin Date of Birth: 2007-07-01 (19 years) Zodiac sign: Cancer Country: South Korea Active period: 2025-present Role: Aurora (아우로라) Full Name: Date of Birth: 2009-07-04 (17 years) Zodiac sign: Cancer Country: Japan Active period: 2025-present Role: Bome (봄) Full Name: Lee Bom Date of Birth: 2007-11-26 (18 years) Zodiac sign: Sagittarius Country: South Korea Active period: 2025-present Role: Katelyn (Katelyn) Full Name: Katelyn Tan Date of Birth: 2007-07-24 (19 years) Zodiac sign: Leo Country: Philippines Active period: 2025-present Role: Michi (미치) Full Name: Fujiwara Michi Date of Birth: 2007-05-06 (19 years) Zodiac sign: Taurus Country: United States of America Active period: 2025-present Role: Nahyun (나현) Full Name: Kim Nahyun Date of Birth: 2009-09-03 (17 years) Zodiac sign: Virgo Country: South Korea Active period: 2025-present Role: Maknae Seohyeon (서현) Full Name: Moon Seohyeon Date of Birth: 2008-09-12 (18 years) Zodiac sign: Virgo Country: South Korea Active period: 2025-present Role: Metrics and Achievements Success(max 5 stars) : Time since last release : (2026-08-19) Time to Success : Not reached or Indie/Nugu PAKs : 0 Music Show Awards2006+ : 0 Annual Awards : 0 Streaming Weekly Score(Since 2010) : Never ranked in top 100 Billboard weekly Score(Since 2020) : Never ranked in top 200 Physical Sales (Circlechart) : 22.875+ (All data available) Most sold item : PLOT TWIST with 16.950+ sold copies Total Youtube Views : 105.989.510+ Brand Physical Sales : 22.875+ Brand Views : 106.004.808+ Images No images yet