Towa no Quon 4: The Roaring Anxiety (2011)
| Release Date: | 2011, September 9 |
| Directors: | Umanosuke Iida |
| Countries: | Japan |
| Production: | BONES, Sanzigen, Bandai Visual, Hakuhodo DY Media Partners, Showgate, Lantis, movic, Sony PCL |
| Cast: | Saori Hayami, Shin-ichiro Miki, Miyu Irino, Mikako Komatsu, Kenta Miyake, Kaori Nazuka, Minako Kotobuki, Ryoko Shiraishi, Jouji Nakata, Kohsuke Toriumi, Hiroshi Kamiya, Tatsuhisa Suzuki |