Koushuu

Student from St.Tachikawa Girls School and member of Game Creator Club. She is one of the masked people in Hashimoto Island and also participate in Space Porn War Game ver 4.5 in order to defeat Game Creator Club (temp), She Also member of Archery club. In the Game struggle she intend to disturb Roka dice roll play but her plan had been guessed by Chitose and she tried faking it by playing sumo instead using bow.