The successful k-rom-com, which rises in viewership with almost each successive week, stars actor Jung Kyung-ho as Choi Chi-yeol, a star math instructor at one of Seoul’s best cram schools.

This image shows actors Jung Kyung-ho (L),Seo In-ah (C) and Cha Hak-yeon, the lead cast for MBC's new Kdrama series "Labor Attorney No Moo-jin," directed by star filmmaker and director Lim Soon-rye.