There’s this innocent and shy girl named Yua. Little did she know, her friend Yana was up to some kinky stuff with a mystery man on the screen which is their school’s teacher. Yana’s friend, Rio, scared and worried for Hana’s sudden weird behavior, she musters up the courage to confront Hana and put an end to these messed-up acts. She caught Hana and the seemingly innocent teacher messing around. “Stop messing with Hana!” The naive Rio decides to confront him. But Rio’s confrontation backfired her. Now, Rio also gets caught up in the clutches of a shady teacher.