Lee Chang-In

Please, Yes

(Eun-ho)

Study Group

(Nam Sang-Woo)

Cinderella at 2AM

(Han Yeong-Soo)

Miraculous Brothers

(Lee Kang San's friend (teen))

Red Balloon

((waiter))

She Would Never Know

((Chae Hyun-Seung's alumni))

Delayed Justice

((student))