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Myung Hyungseo promoting Day & Night (2022)

Hyungseo (형서) is a South Korean artist under M25. She is currently a member of the Korean Pop group CLASS:y.


  • Stage Name: Hyungseo (형서)
  • Birth Name: Myung Hyungseo (명형서)
  • Birthdate: June 25, 2001 (2001-06-25) (age 22)
  • Birthplace: Suwon-si, Gyeonggi-do, South Korea
  • Blood Type: A
  • Height: 163cm
  • Weight: 44kg
  • Education:
    • Jungang Christian Elementary School (Graduated)
    • Yeonmu Middle School (Graduated)
    • Hanlim Multi Art School (Dept. of Entertainment – Graduated)
  • Specialties: English
  • Groups:



Year Title Network Role Notes
RR Hangul
2021 Banggwahu Seollem 방과후 설렘 MBC Contestant Survival show that determined CLASS:y members
Finished in 3rd place

Anime Series

Year Title Network Role Notes
RR Hangul
2017 Idol Ranger Power Busters Monstergram Pink Hyeongseo - Voice


  • She announced her departure from BUSTERS via fancafe on March 29, 2020 to focus on her studies.