Ore no Nounai Sentakushi ga, Gakuen Love Comedy wo Zenryoku de Jama Shiteiru

Kanade was a normal boy if there wouldn't be his little problem. His so called 'Absolute decision'. At any time, Kanade gets different choices. He has to choose every time he gets his 'absolute decisions'. But once on his way back home, he has to decide between a really good choice and probably the apocalypse. Being a sane person, Kanade chooses the good one. Thereupon, a beautiful girl falls from the sky. That girl is supposed to free him from his 'curse'. Follow Kanade facing different missions and decisions in order to free the curse.