Cast & crew
Happy Lesson (2002)
Cast
| Kikuko Inoue | Yayoi Nakayama |
| Daisuke Kishio | Chitose |
| Kimiko Koyama | Uzuki Kyonosuke |
| Nana Mizuki | Rokumatsuri Ninazuki |
| Kaoru Sasajima | Satsuki |
| Ruri Asano | Hoshikawa Mitsuki |
| Tamaki Nakanishi | Nagatsuki |
| Mie Sonozaki | Hazuki |
Crew
| Mutsumi Sasaki | Original Series Design |
| Mutsumi Sasaki | Character Designer |
| Iku Suzuki | Series Director |