Pure Pure Pleiades

Pure Pure Pleiades (ぷれぷれぷれあです, Pure Pure Pureadesu) is an anime spin-off of the Overlord series.

Plot
Ainz accidentally uses the magic item Total Maniac on himself, allowing him to regain his emotions and leaving him in a bewildered state. He tries to pretend that everything is fine. But then the battle maids, Pleiades, have arrived before him and wait to receive their next orders, buuut...!