Reo Kansyuji

As a computer virus based on Pac-Man invades Japan, a group of doctors attack Genm Corp and begin a wave of terror using stolen Proto Gashats. Ghost and Ex-Aid find themselves at the center of the fight in an effort to protect those most important to them. But they aren’t alone, as Heisei Riders from the past join them to stop Dr. Pac-Man!

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.