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.
Ji-Kyung is in heat, so she asks Tae-Hyun to hurry and fuck her while they're outside. He takes her to a public restroom where she sucks his dick and gets to have a good shagging.