Asta, who has the power of the devil, and Secré who used forbidden magic and turned into Nero, were called before the Magical Parliament to be judged. Asta maintains his innocence, but Damnatio Kira will do everything he can to probe that Asta is guilty. In order to save Asta and Secré, Yami shows up with the Black Bulls and they cause a ruckus. While the Black Bulls cause trouble, a few others show up...