Kunihiko Ikuhara Director, Screenwriter Marie Miyake Ringo Oginome Voice Miho Arakawa Himari Takakura Voice Ryohei Kimura Shoma Takakura Voice Subaru Kimura Kanba Takakura Voice Aki Toyosaki Momoka Oginome Voice Akira Ishida Keiju Tabuki Voice Mamiko Noto Yuri Tokikago Voice Sumire Uesaka Purin-Chu-Penguin Voice Yui Horie Masako Natsume Voice Yutaka Koizumi Sanetoshi Watase Voice Takayo Ikami Screenwriter Takeo Ogiwara Cinematographer Masayuki Kurosawa Film Editor Yukari Hashimoto Original Music