Titans from outer space, life forms from a mystical world, phantoms and goblins from ancient times, cyborgs created by scientists, relics that rose out of the ruins of ancient civilizations. In another Japan, it's not just a question of "what if"—it's a reality. Some of the superhumans choose to keep their identities a secret, while others bask in their superhuman fame. Jiro Hitoyoshi, member of the Superhuman Bureau, keeps track of their doings.

Naoe-kun, a massage therapist, is about to head home for the day when he's saddled with a rather strange patient. This lovely lady has emerald eyes, pointy ears, and grew up in the forest—everything about her screams "elf," except for one thing: her bodacious body. It turns out she left her world but loves junk food in this one, and now her obsession has caught up with her. Can Naoe-kun help this loveable elf girl lose the weight—and keep it off?

"Kusano's first errand" - A ten minute OVA that came along with the 6th vol. limited edition of Sekirei. Kusano finally tires of nobody admitting her as Sahashi's potential wife, so she insists on joining Musubi and Tsukiumi on their shopping race to show her abilities. An iffy day ensues.

With a new year comes new adventures, especially at the Rabbit House! Since her arrival at the café, Kokoa Hoto has become accustomed to her new life as a waitress even though the Rabbit House isn't the rabbit paradise she initially envisioned it to be. Life is pleasant, and she enjoys spending time both working and playing with her friends and fellow waitresses Chino Kafuu, a cute middle school student with a fuzzy bunny companion named Tippy, and Rize Tedeza, the pig-tailed daughter of a soldier who is readily armed for any scenario. Together with Chiya Ujimatsu and Sharo Kirima, who also work at neighboring cafés in town, the Rabbit House crew gets involved in all sorts of crazy adventures. Throughout these adventures, the girls encounter troubled novelists, rival cafes, secret treasure, and... alcoholic chocolates? [Written by MAL Rewrite]