Hierarchy season 1 focuses on the arrival ... when he catches Ri-an's best friend Woo-jin (Lee Won-jung) making out with Ji-soo (Byeon Seo-yoon), one of the teachers at Jooshin(!).

Actor Lee Won-jung has caught the audience's attention in the latest web series Hierarchy. Woo-jung, who played one of the main characters of Lee Woo-jin in the teen drama, is slowly finding his ...