Misoji Magical

This is a world where men who retain their virginity until they turn 30 can turn into the winning elite class of "wizards".

Izumi Yuuya is a man who works at an exploitative factory and he is currently aiming to turn his life around by turning into a wizard. But will he first be able to pull through the extreme period of rut that comes during the 10 days before he turns 30?

This is a magical love story of "desire" versus "reason".