A girl heading home from school is met with a bigger version of herself who poses arbitrary challenges with unspeakable consequences. The little girl tries to keep up but suddenly the stakes are raised.
| Directing | Yuki Maehata | Director |
| Visual Effects | Yuki Maehata | Animation |
| Sound | Taeil Lee | Music |
| Sound | Aya Hasegawa | Sound Designer |
| Sound | Akira Osabe | Sound Mixer |
| Production | Mitsuko Okamoto | Producer |
| Production | Yuichi Ito | Producer |
| Production | Taruto Fuyama | Producer |
| Production | Koji Yamamura | Producer |