Tsumugi, a girl with a crush on her teacher, discovers that the teacher is having an affair with another teacher. Complications ensue after Tsumugi manages to attract her teacher, but then begins falling for a fellow student.
蒼井そら
as Tsumugi Miyamae
Satoshi Kobayashi
as Koshuke Yanagi
那波隆史
as Shinichi Katagiri
仲野茂
as Asu
Chiyoko Sakamachi
as Yoko Shimazaki
Ren Suzuki
as Mamiko (Asu's daughter)