"Impurity", an abhorrent creature from parallel dimension called "Magano", terrorize humanity for thousand years. Ren Sasaki, having lost his parent to those Impurity, swear to annihilate them all. What kind of ordeals he would face? What kind of future awaiting him? Is it a happy one or...? -a remake of SNO: Lotus-

This is his story. A story about a young man that was killed and reincarnated by an unknown being. Now, being reincarnated to an exorcist house, he must fights "Impurity" a monster that wreaked havoc upon humanity. What kind of ordeals that he would face? What kind of future awaiting him? Is it a happy one or...?