Sekirei: Pure Engagement Episode 0
Japanese title: セキレイ～Pure Engagement～第零羽
Alternative titles: Sekirei: Pure Engagement Episode 0, Sekirei 2 Special, Kanwanidai (Sekirei Shindan/Sekirei Yoka)
Type: Special
Source: Manga
Episodes: 1
Status: Finished Airing
Aired: Aug 25, 2010
Duration: 28 min
Rating: R+ - Mild Nudity
Studios: Seven Arcs
Producers: Aniplex, Movic
Licensors: Funimation
Genres: Comedy, Ecchi
Themes: Harem
Demographics: Seinen

Episode 0, consisting of two subepisodes: "Sekirei Shindan" (鶺鴒診断) and "Sekirei Yoka" (鶺鴒余暇), of Sekirei: Pure Engagement included on the first DVD/BD volume.