Koto unknowingly seals away the Sun Goddess Amaterasu, and now she is in a different world and can't return. Meeting priestesses who combat the evil in this strange place she learns that Black Towers throughout the land keep Amaterasu sealed away and are guarded by evil monsters. Koto must now find a way to help defeat these monsters and return the world to the way it was. (Source: ANN)

Specials included with Girls & Panzer: Saishuushou Part 2 Blu-ray and DVD.

Legend has it that when you eat the flesh of a mermaid, you would live forever. Yuta and Mana are living proof of this... Together, they journey to various places trying to find meaning for their existence, or perhaps even a cure for their situation. One day, Yuta and Mana meet Masato, a little boy who seems terrified of his mother Misa. It seems to Yuta and Mana that mother and son have a very unusual relationship. What happens when Yuta and Mana decide to discover the dark secret Masato and Misa are hiding? And what about those monster-like creatures that have been appearing? (Source: AniDB)

Saki Izumi is your average day high school student, looking for a part-time job. She gets lucky when her neighbors ask her to babysit and tutor their lovely children: three junior high school boys. Saki is more than happy to take on such an easy task, but what she soon finds out is that nothing in life is easy. These lovely children love a bit too much. Lustful and fearless, they force Saki to be their sexual slave; they tie her up and use her as their toy to practice all sorts of perverted fantasies. However, Saki gradually begins to enjoy this awkward situation more than she should...