Overlord: Ple Ple Pleiades - Nazarick Saidai no Kiki
English title: Overlord: Ple Ple Pleiades - Nazarick's Greatest Crisis
Japanese title: オーバーロード　ぷれぷれぷれあです 『なざりっく最大の危機』
Type: OVA
Episodes: 1
Source: Light novel
Genres: Action, Comedy, Fantasy
Studios: Studio PuYUKAI
Duration: 30 min
Rating: PG-13 - Teens 13 or older

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)