Yuichi Katagiri, a high school student, is abducted with four of his friends and forced to participate in a "Friends Game" to pay off a debt he was suddenly saddled with. The game is supposed to be ...

They find that the person who attracted them to the Tomodachi Game is Tenji Mikasa. Maria Minase, who is a mysterious figure, takes part in the team which Yuichi Katagiri and Tenji Mikasa belong to.