Yamato Akitsuki travels to Tokyo alone to study in one of the high schools located within the area. He lives in with his aunt who operates a public bath solely for the ladies in the local district and begins his normal high-school life. One day, he chances upon a girl in school and is immediately mesmerized by her beauty. He is shocked when he realizes later that the girl, Suzuka, is actually living next door to him. From then on, Yamato's ordinary life begins to change little by little.

OVA bundled with the Accel World simulation and action games. The Blu-ray OVA discs came with the PS3 limited edition versions and the DVD with the PSP limited edition versions. The project was split into two PSP and PS3 titles, and one episode was released with each game: #EX01: Reverberation;Zankyou (bundled with Stage:01 Ginyoku no Kakusei) #EX02: Vacation;Onsen (bundled with Stage:02 Kasoku no Chouten)

Blue Gender takes place in the not too distant future in a world where things have gone terribly wrong for humanity. Humans have been replaced at the top of the food chain by the Blue, a race of bug-like aliens that have colonized Earth and pushed humans aside. A space station, Second Earth, has been constructed as a safe haven for humans, with the hope of one day reclaiming the Earth once more. Yuji Kaido was cryogenically frozen, having been suffering from a disease known as B-Cells. Once awakened, he joins a team of soldiers that have come to Earth to extract him. Unfortunately, nothing goes according to plan as they make their way back to Second Earth. Yuji will have to deal with the horrors of fighting a bloody war as he and the fighters from Second Earth look to survive. Will they be able to win back Earth without losing their humanity?

Twin Blood is an alternate version of Blade and Evil's first battle, with drastically different character and mecha designs from the rest of the series. Blade/D-Boy does not need Pegas to transform and the armor more closely resembles the Radam humanoids from Tekkaman Blade II.