SOD star Iori Furukawa makes a special appearance in the third room barrier! The main character, Kiyoshi, is a janitor at Otsuki Academy who steals underwear and is disliked by the female teacher. One day, he hears a voice from inside the room, and when he peels off the amulet, an evil spirit attaches it to him, giving him the power of a barrier. With that power, he controls the female teacher and begins his revenge...