发行公司：
- RUSCICO [俄罗斯] (2008) (Russia) (all media)
- Universum Film A.G. (UFA) [德国] (2006) (Germany) (DVD)
其他公司：
- Duplo System technical cooperation
- IM Studio [日本] animation finishing
- Kyoto Animation [日本] animation finishing
- Monthly Animage Editorial Department cooperation
- Murao technical cooperation
- Musashino Daiichi Elementary School cooperation
- NHK [日本] cooperation
- Omnibus Promotion sound production
- Shibuya Hiroo Elementary School cooperation
- Shueisha cooperation
- Stac technical cooperation
- Studio Killy animation finishing
- Taiyo Shikisai technical cooperation
- Tokyo Laboratory Co. Ltd. development
- Tokyo TV Center recording studio
- Trace Studio M [日本] animation finishing
