Naeun becomes Siwoo's little bitch. Her master orders her around anywhere, anytime whether it be the in the classroom, in the streets, in the restroom. He explores his slave's exhibitionist kinks and fucks in the restroom at Christmas eve.
Hye-sun wants to end her sexual relationship with Jung-hoo but he gets a boner after hugging her. Now he wants to fuck her so bad and starts to force himself on her. Ajumma stops him from groping her and gives him what he wants but it's the last time she's giving him a favor.