Apart from her group's activities, Chaewon has also starred in Tooniverse's first web drama The Shining Nara, which has gained popularity with over 10 million views in the first month on YouTube.

[1][non-primary source needed] Eunchae was a trainee of Ensoul Entertainment, where she was slated to debut with girl group Project A along with fellow members Yebin and Jenny.

[2] She made her debut with DIA's first mini-album Happy Ending was released on June 14, 2016, along with the music video for lead single "On the Road" on the same day.

[3] Eunchae wrote her solo song "Remember", a track from DIA's first extended play Happy Ending, which was released on June 14, 2016.

[7] In late 2022, DIA left PocketDol Studio as the members did not renew their contracts, The group has not officially disbanded but is on indefinite hiatus.