Makio, the main character of this game is a pervert, and every girl he knows hates him. However, the school idol suddenly tells him that she loves him, and they have sex. After sex, she transforms to a monster, and attacks him. At that moment, a magical girl appears and somehow he is saved from the monster. Makio falls in love with the girl on the spot, but she turns out to be his childhood friend Nanami. After twists and turns, Makio starts to fight against "Neet" with Nanami without knowing he is involved in a serious situation....

[Edited from Eroge Shop]