セキレイ～Pure Engagement～第零羽
Sekirei: Pure Engagement Episode 0
SPECIAL R+ HD Sub 1 Dub 1
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.