Tsun M! Gyutto Shibatte Shidoushite The Animation(2018)

Tsun M! Gyutto Shibatte Shidoushite The Animation is an adult anime series that follows a protagonist who discovers his student girlfriend Saki has hidden interests in bondage and domination play. When he stumbles upon evidence of her desires, Saki confronts him directly, her embarrassment giving way to bold demands that he take control. The series explores their intimate dynamic as Saki, despite her tsundere exterior, pushes him to act on fantasies she's been harboring. Blending comedy with explicit adult content, the show chronicles their relationship as boundaries blur and desires intensify between teacher and student.