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In Seong (인성) is a South Korean singer under FNC Entertainment. He is a member of the boy group SF9.

Career[]

2016: Debut with SF9[]

He debuted as a member of SF9 on October 5, 2016 with the group's first single album "Feeling Sensation".

Personal life[]

Military service[]

On February 5, 2022, Inseong revealed that he would be enlisting in the military on March 21 as part of the military band.[1] He was discharged on September 20, 2023.[2]

Discography[]

OSTs[]

Other releases[]

Writing credits[]

Artist Song Album Type
2018
SF9 "Dear Fantasy" Mamma Mia! Writing
2020
SF9 "Beautiful Light" First Collection Writing
2021
SF9 "For Fantasy" Rumination Writing

Fanmeetings[]

  • ISNL: SF9 Inseong's Saturday Night Live (2024)[3]

Filmography[]

Dramas[]

  • Click Your Heart (Naver TV Cast, 2016)
  • 20th Century Boy and Girl (MBC, 2017)
  • Was It Love? (JTBC, 2020) - cameo
  • DokGoBin is Updating (Big Picture Markt, 2020)
  • Two Universes (Naver TV Cast, 2022)

Variety shows[]

  • We K-Pop (KBS, 2019–present) - MC

Reality shows[]

  • Double Trouble (Watcha, 2021-2022) - contestant

Trivia[]

  • He is the oldest member of SF9.
  • He is an only child.
  • Inseong was a trainee for exactly a year.
  • He studied in London for a year, so he can speak English.
  • He is a former SM Entertainment trainee.[4]
    • In particular, due to his time as an SM Entertainment trainee, he became close friends with NCT's Doyoung, as the two began their training at the same time.[5]
  • His hobbies are chess, Gomokgu, drawing, and puzzles.
  • His favorite color is pink.
  • He is left-handed.[6]
  • In the dorm, Inseong currently shares a room with Rowoon, Dawon, and Chani.
  • His favorite song to sing at karaoke is Buzz's "You Don't Know Men".[7]

Gallery[]

Main article: In Seong (SF9)/Gallery

References[]

Official links[]