Lee Yeon has starred in 'Juvenile Justice' and currently stars in 'Duty After School.' The 28-year-old actor is nominated for her role in Netflix's 'Kill Boksoon.' While 3rd-year students prepare ...

Duty After School Season 1: Episode Guide & Ratings. ... Meanwhile, Yeong-soo is not comfortable about walking away from the mission as he still believes the CSAT is not canceled.

Seo Kang-jun faces off against principal Park Jin-woo. In the 9th episode of MBC's Friday-Saturday drama "Undercover High School" (planned by Namgoong Seong-woo, written by Lim Yeong-bin, directed ...