Saito Yuki will play Kanna's mother-in-law Suzuki Ryuko who pretends to be naive but has a scathing tongue while Kaname Jun will play Kanna's cheating husband Rei. Yamaguchi Sayaka will play Kataoka Mika who is Kanna's senior at work and child actor Kawahara Eito will play Reon. Triendl Reina will play Sakaigawa Shoko who is Kanna's colleague. Asaka Mayumi will play Morikawa Yoshie who is the principal of the kindergarten which Reon attends while Reon's grandfather Tetsuzo will be played by Toyama Toshiya.
Sources: Nikkansports / My Navi News / Eiga.com / Oricon