A strange phenomenon occurred in Mc’s world. He suddenly possesses mysterious power that made all the demi-humans are crazy for him, the power that all of the demi-humans has been seek is now lies within mc’s body. The Mc, Amano Taichi, using his power to help demi-humans Suzuka, Kuon, and Seira by having sex with them day by day, so they can unlock their full potential. But The problem doesn’t end there, another strange event happens, all the students of the academy lose their consciousness and putting them in coma state. In order to save everyone in the academy, Taichi needs a legendary-class artifact called Universal Sacred Mother Milk. The legendary artifact that can only be obtained by having sex with the mothers of his demi-humans classmates. They are Mai, Sally, and Yasha. After having sex with them he also have to milk their breasts to extract the milk to create the mentioned artifact.