Cast & crew
Mezzo Forte (2000)
Written by Yasuomi Umetsu
Cast
| Taichiro Hirokawa | Yoshikazu Kurokawa |
| Shozo Iizuka | Momoi |
| Norio Wakamoto | Ei Hirooka |
| Rie Ishizuka | Momoi |
| Takumi Yamazaki | Tomohisa |
| Tomoko Kotani | Kazuma Mikura |
Crew
| Dr.POCHI | Supervising Producer |
| Yasuomi Umetsu | Character Designer |
| Kei Mayuzumi | Sound Director |
| Yasuomi Umetsu | Screenplay |
| Yasuomi Umetsu | Script |
| Tarou Miyabe | Producer |
| Tooru Shura | Music |
| Yasuomi Umetsu | Animation Director |
| Yasuomi Umetsu | Series Director |
| Shigeru Ikehata | Art Direction |
| Osamu Koshinaka | Producer |