3 women are happy and busy raising their boys named Yu. Due to some little thing, their lives fall apart. Their anger and anxiety unconsciously head towards their sons Yu.

Miho Kanno
as Rumiko Ishibashi

Mitsuki Takahata
as Kana Ishibashi

Machiko Ono
as Asumi Ishibashi

Fuga Shibazaki
as

Ryou Togawa
as

Keito Akutsu
as Ishibashi Yu

Soko Wada
as Yutaka Ishibashi

Shunsuke Daitoh
as Taichi Ishibashi

Sayaka Yamaguchi
as Nana Wakasugi

Maho Yamada
as Akina Nishiyama