Musical career Jaechan officially debuted as a member of Dongkiz with the release of their single album,
Dongkiz on the Block, on April 24, 2019. He is known as the
rapper of Dongkiz. Jaechan also wrote and produce several songs for the group. Jaechan's group rebranded from Dongkiz to DKZ on March 18, 2022. It was also during this time that his rise to fame courtesy of his
BL drama,
Semantic Error, had led the group to increase its album sales and popularity. On September 6, 2023, Jaechan made his debut as a
solo artist. He held a showcase at Yes24 Live Hall, where he presented his first solo mini album
JC Factory. The
EP consists of five self-composed songs including the lead single "Hello" and his earlier pre-released song "Time". He won his first music show award as a soloist in
SBS M's
The Show for "Hello" on September 19. On May 16, 2025, Jaechan released his second mini album
JC Factory Vol.2. The EP consists of five songs including the lead single "Poster Boy" and his solo version of their previously released sub-unit single "Y.O.U".
Acting career In 2019, Jaechan got his first main role in a
Tooniverse web drama,
My YouTube Diary, along with his co-member, Munik. The popularity of the series led to a surge in support for DKZ. In April 2022, Jaechan was included in
''Forbes Korea's 2022 Korea Power Celebrity 40 - Rising Star for the attention he gained for his portrayal in Semantic Error''. == Discography ==