Sacchan, Boku wa.
Dear Sa-chan, if only I'd had sex with you that time, perhaps I wouldn't have wandered down this disastrous path. A story of true love and its downfall, brought to life by an unconventional protege.
- Genre: Drama
- Studio: TBS
- Keyword: adultery, based on manga, drama
- Cast: Ren Ishikawa, Keito Kimura, Hinano Nakayama, Dori Sakurada