Collaborations between Ryûji Ichiyama and Naoki Urasawa
| Film Title | Year | Ryûji Ichiyama | Naoki Urasawa |
|---|---|---|---|
| 20th Century Boys 3: Redemption | 2009 | Producer | Writer |
| 20th Century Boys 2: The Last Hope | 2009 | Producer | Writer |
| 20th Century Boys 1: Beginning of the End | 2008 | Producer | Writer |