OVA coming with 6th vol. limited edition of Sekirei, featuring Kuu. “Ku-chan Hajimete no Otsukai" Musubi and Tsukiumi has another race to the super market. Kusano decides to join the race, and win it so that she deserves to sit next to Minato during dinner. Kusano does not do so well in the competition due to the fact that she becomes frequently lost and cannot focus on her task. Sympathizing Kusano, Musubi and Tsukiumi decides to team up and help Kusano to win the competition.

This is an BD/DVD-only unaired episode, designated as episode 0. Based on two omakes from the manga, this fan-service focused episode features Minato's Sekireis going for a physical check-up and to a MBI-owned resort. Both outings end with Benitsubasa destroying the building after being inadvertently made fun off by Minato's Sekireis, and both time Homura did not join the activities because he couldn't decide whether he was male or female.

Cast roundtable after Sekirei Festival. The main cast members reflect upon the season. Included in the Limited Release Blu-ray Box Set.