Yoshinori Nakayama Rintaro Tsumugi Voice Honoka Inoue Kaoruko Waguri Voice Kikunosuke Toya Shohei Usami Voice Koki Uchiyama Saku Natsusawa Voice Hiiro Ishibashi Ayato Yorita Voice Aya Yamane Subaru Hoshina Voice Yoko Hikasa Kyoko Tsumugi Voice Rena Motomura Child Voice Ryoutarou Okiayu Keiichiro Tsumugi Voice Kurumi Orihara Child Voice Chihiro Ueda Employee Voice Miyuki Kuroki Director Rino Yamazaki Screenwriter Makoto Kato Director Xingzhi Li Director Midori Masaki Director Saka Mikami Writer Honoka Katô Screenwriter Moeki Harada Screenwriter Yukiko Nagase Cinematographer Sotokawa Akihiro Executive Producer Shin Furukawa Executive Producer Hiroyuki Shimizu Executive Producer