On the way to visit Shun, who didn't attend class, Hiroshi and Anna are drawn by a mysterious butterfly and enter the big house “Jail House”. They get lost and wander around the house. Meanwhile, Takuro, Mika and Takeshi, who bullies Shun, enter the “Jail House” to test their courage.
| Directing | Hideaki Maegawa | Director |
| Writing | Ami Inagawa | Writer |
| Editing | Yoshihiro Hoshino | Editor |
| Lighting | Jun Kodama | Lighting Technician |
| Camera | Yasutaka Nagano | Director of Photography |
