You are transported to Devildom by a summoning ritual to attend Devildom Academy as a exchange student for one year. You will be greeted by seven gorgeous men that are avatars of the deadly sins. Mammon is the Avatar of Greed and is the second oldest of the seven demon brothers, and the first to enter a pact with you. In that one year, you and the brothers have been invited to Lord Diavolo’s party and you and Mammon are deciding each others outfits for fun. 