Cherry Bullet's Chaerin has been cast as the character Chun So-Mang in a new web drama, 'Our First: Seventeen'. The web drama is scheduled to air its first episode on July 7th. Chun So-Mang is described as a beauty influencer who has a quick-witted and bold personality.

'Our First: Seventeen' is a teen drama depicting the growth processes of high school students, who slowly discover their individual dreams as they regularly meet for their 'cover song' student organization. With characters including Ohn-Yoo (played by Choi Ji Soo) who dreams of becoming a music composer, as well as Ha-Eun, Isaac, Ye-Chan, and more, the drama will unravel a story of friendships and the realizations of what's truly important.

Meanwhile, 'Our First: Seventeen' is scheduled to be released through their official YouTube channel and Facebook page, on June 7th at 7PM KST. Each episode will air thereafter, every Wednesday and Saturday at 7PM KST.