Aoharu x Kikanjuu

A girl who is often mistaken for a boy, Hotaru Tachibana, acts on a classmate's complaint about being scammed by a host club member. She confronts the individual, only to discover he is her new neighbor. The dispute escalates when he challenges her to a gunfight, though the weapons are toys. After losing the match, Hotaru is drawn into a survival game scenario, leaving her uncertain if she can find a way out.