Slime's Magical Journey

Born as the the weakest miscellaneous soldiers, Slime, I'm also so weak that almost have no sense of existence. No, who is standing in front of you is the most evil demon! So stop poking me! In order to pursue the girl who I have been secretly in love with for a long time, I do my best to become human being, but why did I become a girl?! After inexplicable entered the exorcist's school, the worst thing is that my roommate seems to see through everything...