I Will Teach You Self Defense (raw)

Synopsis

"Sex... no, I'll teach you self-defense." Seong-hyeon, the director of a failing hapkido gym, accidentally acquires a mysterious program one day. It says that completing quests will make the gym grow, but what's the next quest...? [Quest] Make a female member climax!

Also known as 호신술 가르쳐드립니다