Satoru is a young man with a warm heart. He has a cat named Nana, but, due to circumstances, he can't raise cat Nana anymore. He travels with Nana to find a person who will take care of Nana. During his travels, he meets various people like his childhood friend and his first love. His unknown past and secret are revealed.
| Directing | Koichiro Miki | Director |
| Writing | Hiro Arikawa | Novel |
| Production | Ryûta Inoue | Producer |
| Writing | Hiro Arikawa | Screenplay |
| Writing | Emiko Hiramatsu | Screenplay |
