Sola

To gain the skills he needs to surpass his powerful father, Baki enters Arizona State Prison to take on the notorious inmate known as Mr. Unchained.

Eager to follow in the footsteps of his fallen sister, Kazuya enrolls at West Genetics Academy, a training facility for buxom heroes known as Pandoras. These courageous schoolgirls are genetically-enhanced with enough sex appeal to cripple a man – and the superhuman strength to slaughter aliens by the dozen. Kazuya’s role is that of Limiter, a Pandora’s battle partner, and he quickly sets his sights on the most feared beauty in school, Satellizer el Bridget. This full-figured annihilator of aliens is as desirable as she is deadly, but rubbing her the wrong way could lead to gross bodily harm. Can Kazuya forge a bond with his new partner and rise to the top of the ranks at West Genetics? Or will he fall victim to the mysterious bloodlust lurking within Satellizer?

The story begins when high school student Kazuki Muto is killed one night saving a mysterious girl from a monster, only to wake up in his school dorm, believing it to have been a dream; however, he soon finds out that dream wasn't a dream at all when a giant serpentine monster attacks him and his sister. Tokiko Tsumura, the girl he saved, explains that the monster is a homunculus. Kazuki had been attacked and killed by it when he was rescuing her; however, she, feeling responsible for him, revived him by placing a Kakugane medallion in his chest, serving as a replacement heart.

Yukito Kunisaki is on a journey in search of the Winged Maiden who was bound to the sky centuries ago after hearing the old childhood tale from his mother. As Yukito shows his puppet show to people in an attempt to make some money, he finds himself in a small town in which he did not expect to stay very long. However, when he meets an unusual girl named Misuzu, things take a drastic turn as he is invited to stay with her.