When Dae-Ho was a child his parents were killed in a tragic accident. Afterwards, he was taken in by his late father’s friend Mr.Cha and was raised with love and care. Now, at age 20, Mrs. Cha realizes that Dae-Ho hasn’t been properly taught about growing up into a man. He keeps having wet dreams and she feels he needs someone to show him how to relieve his urges. She takes it upon herself to show him how it’s done...(Source: TOPTOON+)