Datsuryoku-kei Maou-sama no Yuuga na Hibi

A demon king possessing great power finds all responsibilities and interactions to be a burden. He grows tired of Rudy, his constant critic and personal attendant, who urges him to behave more like a ruler. Preferring to remain idle, the demon king dismisses all efforts to motivate him. When questioned about his apparent lack of passion, he assigns Rudy as his nighttime companion to end the nagging. Unexpectedly, Rudy accepts and takes immediate action, surprising the demon king.