Yuko Takeuchi
— Mio Aio
Shidō Nakamura
— Takumi Aio
武井証
— Yuji
浅利陽介
— Young Takumi
大塚千弘
— Young Mio
平岡祐太
— Teenage Yuji
Mikako Ichikawa
— Midori Nagase
中村嘉葎雄
— Takumi's Boss
Fumiyo Kohinata
— Dr. Noguchi
YOU
— Akiko Hamanaka
Matsuo Suzuki
— Cake Shop Owner
美山加恋
— Aya
Kei Tanaka
— Mio's College Friend
田辺季正
豊島由佳梨
— Bicycle High School Girl
半海一晃
兎本有紀
小林千枝
小清水一揮
— Yuji's Classmate