Chae Seung-ha's Secret Forest.

Na-hee, who lives with Min-yeong, worries about her since she drinks too much alcohol and even stays out overnight once she goes out. Na-hee wakes up Min-yeong and fixes her hair as usual. When Min-yeong left early in the morning due to an urgent matter, Na-hee, who is left alone, spends his own time. If you enjoy masturbation, you will finally be able to have sex in front of Na-hee, who yearns for sex.