Overlord: Ple Ple Pleiades - Nazarick Saidai no Kiki
English name: Overlord: Ple Ple Pleiades - Nazarick's Greatest Crisis
Genres: Action, Comedy, Fantasy
Type: OVA, Episodes: 1
Aired: Sep 30, 2016
Studio: Studio PuYUKAI
Source: Light novel
Rating: PG-13 - Teens 13 or older
Synopsis:
Bundled with novel series' 11th volume.

The new anime will feature the appearance of the Pleiades combat maids, as well as the rest of the Floor Guardians.

(Source: ANN)