1-4.1 Valberosa, the demon king, while incredibly powerful, is also incredibly lazy. His assistant Rudy is always harping on him to behave more king-like, and becomes Valberosa's exasperated lover.
4.2 Aoi is friends with Takuma, a friendly gothic boy who makes eccentric clothing designs. They pair up for the school festival, in hopes of winning over a famous visiting clothing designer.
Datsuryoku Kei Maou-sama no Yuuga na Hibi