Park Jae-Chan (박재찬) or simply ‘Jaechan’ is known in the BL world as Chu Sang-woo, that annoying kid who blacklisted freeloaders from his class in the hit Korean Boys Love series Semantic Error. By now, we all know what happened!

Jae-chan is a member of the K-pop boy group DKZ and its subunit Dongkiz:Kan. His musical interest began in middle school upon hearing Justin Bieber’s music. He is known as a rapper and wrote several songs for his DKZ pop group.

Career Milestones

  • In 2019, Jae Chan debuted as a member of DONGKIZ, now known as DKZ. On August 9 of the same year, he debuted as an actor in My YouTube Diary.
  • Early in 2022, Watcha cast Jaechan to play the lead role in Semantic Error, prompting public support for his pop group DKZ;
  • Jaechan is part of the Korea Power Celebrity 40 – Forbes Korea’s list of rising stars in the country;
  • His acting career took off in 2020, but he has been doing showbiz even before that;
  • He is one of the winners (Popular Star Award) of the 1st Blue Dragon Series Awards;
  • [Update: Nominations] IDOLCHAMP <Seoul Int’l Drama Awards> for Outstanding KPOP Idol (Jaechan), Outstanding Drama Star Actor (Jaechan & Seoham).
A previous post re: Semantic Error @Instagram

Acting Style

While his acting is still a work in progress, Jaechan’s charisma is undeniable. His surging popularity in Korea and the global BL community is a testament to that. At 20, he is already recognized in South Korea’s entertainment circle as a rising star. Plus, his romantic scenes in Semantic Error are hot!

  • Social Media Power: Instagram followers – 650k+
  • Boys Love projects: Semantic Error (drama series | full-length movie)
  • Career Milestones: Korea Power Celebrity 40, 1st Blue Dragon Series Awards


Credits: Llovelyhappily@Tumblr | OtakuArt | Watcha | Spotlight Mag

References: HanCinema profile | IMDb | MyDramaList profile