Dae-U finally gets his hands on Yu-Ri by "comforting" her after her teary breakdown. he doesn't waste time and gets straight to the raping right before Su-Heon's eyes who's been peeking glances at them like the cuck he is.
Cuck play with her husband in the hotel room, they kick him out and she shows her husband the recordings later. After that Park Jun-Hyeon fucks her in her office.
Do-Hoon's revenge story (as it stands): fucked and tamed So-mi's mom (His worst bully's mom) Mrs. Lee So-hee, raped his other female bully Ye-Eun and made her his bitch, and now sets his eyes on Kwak Bumsu's wife (His male bully's wife) Kim Hyuna. Do-Hoon sets things up to be alone with Hyuna in her house and pounces on her. Bumsu returns home later but Do-hoon still keeps on fucking Hyuna next to her sleeping husband.