Rural school life ~The girls who gave all the boys their first ejaculations~

Mirakucho is a tranquil country town rich in nature. Not a single girl goes to school there.
The school boys live their lives without having anything to do with women.
However, one day, three girls, Aoi, Rina, and Yui, transfer to the school.
At first, the boys don’t think they need girls around, content with playing with other boys.
But the more they play with the girls, the more their bodies start to change…