Inyoku Mahou Saint -Nerawareshi Rina no Inbi na Shitai | 淫欲魔法聖闘士 ～狙われしリナの淫靡な肢体～

Asakura Rina, a very ordinary campus life was sent. After school in a certain day, Rina came to the school to which it forgot something and everyone was gone. However, then, it encounters the place where suspicious-looking man are talking secretly. The content that men speak finding out a student having special ability "Cosmic Break" and winning it over to the side. Rina that has heard the talk becomes scary, though it tries to leave from the place, men are noticed and it puts it away under confinement in the place like the oubliette.

Men are the underground systems. "Imperial Clown" Gang and introducing getting on, after playing with the body of terrible Rina, though it tries to kill for the sake of silence...

The moment, Rina "Cosmic Break" awaking, it masters of the situation. A coincidence also, men looked for "Student who had specific ability" Rina. And, it starts, battle of Rina and underground system. The enemy sets up the traps one after another, it approaches Rina that is puzzled without mercy. It is made dirty to the hand of the demon who steals up soundlessly, it is betrayed by the best friend... When the whole content of the underground system is clarified before long, Rina really...?