Kōichi Imaizumi
Grandfather
Kiyomi Itō
Grandmother
Hotaru
Jinta Fujimaru
Takahiro Inoue
Ryôsuke Kanba
Hiroyuki Oki
Ryôya Kawashima
Teppen Matsunoki
Hiroshi Murakami
Munehisa Sakurada
Mioo Satô
