Dahyun(연희) is a South Korean singer under Woollim Entertainment. She is a member of the girl group Rocket Punch.
On July 23, 2019, Woollim Entertainment released a concept film showing the six members of their new girl group, Rocket Punch, for the first time, with Dahyun being one of them. On July 24, her solo concept film was released.
Source: kpop wiki