Kurodi

“Sex- I mean, self-defense lessons available here!” Seonghyun, the director of a failing one man hapkido studio is in big trouble! However, one day, he suddenly obtains a mysterious program after helping out a mysterious old man out of the goodness of his heart... The system claims that his dojang will grow so as long as he clears all the quests he's given, but the next quest is…!? \[Quest] Make a female member climax!