Bonus Baby 보너스베이비 Group Info

  Tag Category: Bonus Baby


  Active: 1 year 10 months

  Gender: Female

  of Members: 6


  Bonus Baby Group Stats Chart
Stage Name Birth Name Position Birthday Age Height Star Sign C Y Sort descending BT
Hayoon 하윤 Jung Hayoon Sub-vocal 19 163 cm or 5'4" Scorpio Tiger A
Gaon 가온 Kim Gaon Sub-vocal 17 163 cm or 5'4" Pisces Snake A
Kongyoo 공유 Lee Kongyoo Maknae 17 163 cm or 5'4" Taurus Snake B
Dayoon 다윤 Ahn Dayoon Sub-vocal 17 164 cm or 5'4½" Scorpio Dragon A
Moonhee 문희 Choi Moonhee Leader, Visual 21 167 cm or 5'5½" Taurus Ox AB
Chaehyun 채현 Park Chaehyun Sub-vocal 19 163 cm or 5'4" Libra Hare AB
  About Bonus Baby 보너스베이비  

Bonus Baby 보너스베이비 is a six-member girl group formed by Maroo Entertainment in December of 2016. The group consists of members Moonhee, Hayoon, Chaehyun, Dayoon, Gaon, and Kongyoo. They made their debut on January 1, 2017, with the single "We."

At the time of the debut, they were the youngest girl group ever in Korea by average age. The group's eldest two members originate from an idol group of the same company, MyB, which disbanded in late 2016.


  • The age gap between the oldest member, Moonhee, and the maknae, Kongyoo, is 4 years and 16 days.
  • Hayoon and Dayoon were born in November.  They’re both Scorpios.
  • Moonhee and Kongyoo were born under the star sign Taurus.
  • Gaon and Kongyoo were born in the Year of the Snake.
  • Moonhee and Chaehyun’s blood type is AB.
  • Hayoon, Dayoon, and Gaon’s blood type is A.
  • Kongyoo is the only member whose blood type is B.
  • Hayoon, Chaehyun, Gaon, and Kongyoo are 163 cm or 5'4" tall.  They’re the group’s shortest members.
  • At 167 cm or 5'5½", Moonhee is the tallest member.  She’s taller than the shortest members by 4 cm.