Bumsu calls Do-hoon to do some volunteer work at the church. When the former gets there, he finds his wife chitchatting with Do-hoon and senses that they've gotten closer. He later leaves them alone at the church thinking that his former high school mate wouldn't try to anything funny to his wife. Do-hoon gropes Hyuna and tries to seduce her but she isn't moved at all and leaves him. She goes back to her husband who's been waiting for long in his car, she asks him to take them somewhere nice on the weekend, but he doesn't wanna, and calls her selfish. That was the last nail on the coffin for Hyuna who's fed up with her husband's mistreatment (she recalls a memory where she caught her husband cheating on her). She storms out of his car and returns to the church in tears hoping Do-hoon is still there. When she finds him, she asks him to continue where they left off.
After a boring sex session with her husband, Yoosun wants to get a taste of real dick from her husband's brother who was right behind her room's door waiting to fuck her.
After getting fingered by her boyfriend, Bora wants her turn now. So, she ties him up and blindfolds him then FINGERS HIS ASSHOLE nonstop until he cums.
Yu Se-Ha corners Kim Bong-Su in the stairwell and asks him why her body heats up every time she thinks of when they had sex in the locker room. Bong-Su says he will help Se-Ha become better if she masturbates, so Se-Ha pulls down her pants and starts fingering herself to improve her volleyball performance (Chp. 5)
Yu Se-Ha makes herself cum fingering herself. Bong-Su reflects that he can change players stats as Se-Ha asks him to changed her stats, but he didn’t realize she would get so horny. He starts fingering her himself as she cums almost immediately. Yu Se-Ha thinks Bong-Su replaced her body with one that’s just horny and Bong-Su bluffs he will change it back if she makes him cum in 17 minutes. Chapter ends with her riding him in reverse cowgirl (Chp. 6)
Yu Se-Ha gets fucked hard in reverse cowgirl before going to one leg-straddle then doggystyle. Bong-Su tells her to keep her moans in as he puts her finger in her mouth. Se-Ha’s tells him she’s had enough but her body doesn’t feel the same. Bong-Su says no one is on the third floor and has Se-Ha crawl up the steps while still getting fucked in doggystyle. She drips on the stairwell as the chapter ends (Chp. 7)
As Se-Ha gets close to the top of the stairwell, she hears voices. She tells Bong-Su this and he said did I say you could stop as he starts pulling her ponytail while fucking her. Se-Ha starts to reach her limit as someone hears them. Bong-Su covers Se-Ha’s mouth as he responds and they don’t get caught. Se-Ha’s mind starts to go blank getting fucked in missionary as she squirts on Bong-Su’s shirt. Scene ends with Bong-Su giving Se-Ha a creampie in missionary. (Chp. 8)
Do-hoon makes Ye-eun attend the shoot afterparty where she drinks too much and gets drunk and dozes off. She awakens all tied up to Do-hoon who's about to torment her and make her submit to him by violating her asshole.
After having sex in the empty classroom during lunch time, the siblings came back to the lecture hall & Taesung started fingering his sister during lecture. He made her so horny that she had them hurry back home to fuck where Haeun grants her brother his wish of fucking her backdoor for the 1st time in her life.