Julia infiltrates a high school disguised as a student to investigate the star-shaped SCM that appears on the map, while Fujiko also foes disguised as the school's substitute nurse. There, they find out that the SCM user is Setagaya, and he has the Judgment SCM that can instantly enslave SCM wearers without a duel. Julia and Fujiko would become Setagaya's slaves as a result. Meanwhile, Eia challenges the wealthy businessman Muon Nerima to a duel seeking his fortune to free the slaves...