In the suburbs of Tokyo, a group of six girls have played together at the park since they were little, but eventually have to switch schools. Before they leave, they plan to make a time capsule, but are unable to do so. The story follows the girls four years later as they meet again.
| Directing | Akiyo Ohashi | Director |
| Visual Effects | Mayumi Watanabe | Character Designer |
| Sound | Motoi Izawa | Sound Director |
| Editing | Masaki Sakamoto | Editor |
| Art | Naoko Akuzawa | Art Direction |
| Visual Effects | Yumi Nagi | Color Designer |
| Camera | Tomoko Minobe | Director of Photography |
| Production | Yuuji Higa | Producer |
| Production | Saburou Oomiya | Producer |
| Writing | Kei Fujita | Writer |
| Visual Effects | Mayumi Watanabe | Animation Director |
| Art | Akiyo Ohashi | Storyboard Artist |
| Directing | Akiyo Ohashi | Second Unit Director |
