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.
中川大志
as Hiroshi
平祐奈
as Anna
松島庄汰
as Takuro
久松郁実
as Mika
勧修寺玲旺
as Takeshi
タモト清嵐
as Shun
