Michael Vrainda had always been a man too busy with creating that he rarely had moments where he would interact with others, let alone those of the opposite gender. Hell, he was lucky enough to score a woman at the end of high-school so there was no need to worry about losing his V-Card now, right? Well the love-fairy Kyu has some different plans for him.

Kain Leighton has been sent to Japan to continue his education in the ways of the IS. He is the 2nd male to ever pilot an IS and is the first human to have something else.

Mccard Castolen, the best exorcist of the Vatican, is sent to Japan to keep an eye on the stray devil population. During his mission he meets a bunch of interesting people at Kuoh Academy. Will these people that he meets find out what he really does, or will he just be shrouded in mystery.