Cast & crew
The Big First-Grader and the Small Second-Grader (2014)
Directed by Ayumu Watanabe
Cast
| Misaki Kuno | Mariko |
| Mutsumi Tamura | Masaya Orihara |
| Akiko Yajima | Akiyo |
| Yumiko Ofuku | Teacher |
Crew
| Keiichiro Matsui | Animation Director |
| Koji Watanabe | Animation Director |
| Shuji Katayama | Original Music Composer |
| Shizue Kaneko | Character Designer |
| Taruhi Furuta | Original Story |
| Ayumu Watanabe | Director |
| Makoto Sotozaki | Producer |