Yuja. C (유자씨)

Kim Se Myung, a medical student from a humble background, ends up tutoring in a rural area during the summer vacation through the introduction of his girlfriend. There, he encounters a beautiful mother, a housemaid, and even a doll-like girl... Overwhelmed by their beauty, he is approached by an enchanting girl who says, "Teacher, do you want to have sex with our mom?"

"But we're a family...". SU-JUNG has the attractive sexy look that every guy desires. And CHANG-HYUN can't keep his eyes off her. The insatiable desire burns through him and he can't keep it down any longer...