STAR-036 If you enter here, bad things will happen

Sasa-chan prepares to confess her feelings to her beloved friend Hiroshi-kun, but just when everything seems to be going well, one of the school bullies becomes enraged with them and threatens Hiroshi.

Sasa and Hiroshi begin to escape from him and decide to hide in an area with a danger sign. Ignoring the consequences, they enter the place, suffering a terrible accident, which causes both of them to switch bodies. But the worst is yet to come.