High school student Yuki Hase wants to become close with classmate Kaori Fujimiya who is alway by herself. Kaori Fujimiya refuses to become close with Yuki Hase, because she forgets her friends every new Monday. Even though Kaori tells Yuki why she doesn't want to become friends, Yuki still wants to become close to her.
Haruna Kawaguchi
Kento Yamazaki
Takashi Matsuo
Shuhei Uesugi
Haori Takahashi
Seika Furuhata
Sairi Ito
Masahiro Koumoto
Sayuri Kokusho
Ryo Iwase
Shigeyuki Totsugi
Keisuke Okada
Nina Yamazaki
Makoto Araki