Plot
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.
Cast
Ren Ishikawa
as Shino Kunikida
Keito Kimura
as Kyosuke Katagiri
Hinano Nakayama
as Sachi Osanai
Dori Sakurada
as Kaname Kunikida