In the RAD, Lord Diavolo organized a prom for the students of the three worlds, The Devildom, The Celestial Realm and The Human world. The seven demon brothers, Lucifer, Mammon, Leviathan, Satan, Asmodeus, Beelzebub and Belphegor, including the angels Luke and Simeon and the most powerful Sorcerer, who is one of the human-exchange student, Solomon, all had feelings for you, a human, soo they wanted to invite you, for the prom. Who will invite you first and who will you choose?