Ep. 1: Lucifer organizes a family study group to improve the brothers' academic performance at the Royal Academy of Diavolo.

Concerned about the implications of their recent test scores for their standing at the Royal Academy of Diavolo, Lucifer, the eldest of the seven brothers, convenes a family study session to raise their average grades. The younger siblings find it difficult to concentrate and complete their assigned work. As their lack of focus persists, Lucifer is forced to implement extreme measures to prevent them from continuing to slack off and ensure they dedicate themselves to their studies.

▶ Watch on Crunchyroll