One day, five kindergarten children suddenly disappear from a kindergarten in Tokyo, sending their teachers and parents into a panic. The five of them are connecting on trains and headed to an unfamiliar place for some purpose.
| Actor | Role |
|---|---|
 Mana AshidaKanna Yamazaki | Kanna Yamazaki |
 Hikari MitsushimaMari Yoshiki | Mari Yoshiki |
| RRuiki SatoTakujitsu Uehara | Takujitsu Uehara |
| RRyoka IharaYui Kishimoto | Yui Kishimoto |
| HHiroyuki KurodaShunyuu Horikawa | Shunyuu Horikawa |
 Miyu HondaMikoto Mochida | Mikoto Mochida |
| TTomoya HashimotoHiromu Taniguchi | Hiromu Taniguchi |
 Megumi YokoyamaSatomi Kishimoto | Satomi Kishimoto |
 Maki MizunoTakako Osawa | Takako Osawa |
 ShuriFumina Hatada | Fumina Hatada |
 Ittoku Kishibehomeless man | homeless man |
 Ayumi Ishidagrandmother | grandmother |
 Yoshimasa Kondotrain conductor | train conductor |
 Hairi Katagirihousewife | housewife |
 Inuko Inuyamahousewife | housewife |
| Inuko InuyamaKanna's mother | Kanna's mother |
 Naomi NishidaHiroshitake's mother | Hiroshitake's mother |
| TToshiaki MegumiTakujitsu's father | Takujitsu's father |