Overlord: Pure Pure Pleiades - Season 1 (2015)

Ainz converses with Solution Epsilon, whom he learns like eating people.

Ainz converses with Entoma Vasilissa Zeta, whom he leans is a mimic. He wants to see her real appearance, to his eventual misfortune.

Ainz converses with Lupus Regina Beta, who gets into a fight with Albedo.

Ainz converses with CZ2128 Delta, who is a robot maid that Entoma and Solution are modifying, to Ainz's discomfort.

Ainz accidentally reuses the spell from the beginning on the Pleiades, which sends them out of control.

As everyone in Nazarick goes off the rails, Ainz and the Pleiades do their best to fix things.

Hamsuke falls in love with another creature like her, and asks the Pleiades for assistance.

Pandora's Actor turns into a cat to gain affection, and serves as CZ Delta's cat for a time.