The coming-of-age battle story will center on the famous 17th-century Japanese warlord Date Masamune when he was young. The Date clan took its name from the Date region of the former Mutsu province, which comprises part of the modern-day city of Date. The anime will be the first in the city's "Kirari na Wonder Project" (Twinkling Wonder Project), which aims to highlight tourist attractions and the appeal of the region. Gainax's newly founded Fukushima studio will work on the anime, and will complete it at the end of March. The anime will have a private screening in April and will also screen in anime events and be posted online.

An extra episode of Umi Monogatari: Anata ga Itekureta Koto. One year after the events of the main series, the girls have moved on. Kanon has decided on her future occupation and wants to go into oceanography. Meanwhile in the sea, Marin and her group find a lost sea cow separated from its mother. Can the girls help reunite the baby sea cow with her mother?

Shout and Crunchy are "trash throw away-ers" who work in the dead of night. Makina is a 16-year-old witch who has come to the world of humans and to London to study for one year about how to become a proper bride. But Makina searches for Shout and Crunchy, and begs them to throw away her "Witch's Book." Truthfully, Makina wants to quit being a witch and become a normal girl, and the book is just a hindrance. But the book is not something one can simply just throw away.

Grade schooler Yuuta Tomonaga stumbles upon Deckerd, a humanoid robot under construction by the Japanese police, built to fight advanced forms of crime. Yuuta's constant contact with Deckerd gives the robot a "heart," or personality; when Yuuta is recruited as the "boss" of the "Brave Police" as a result, a true human/robot partnership occurs.