Kazama Souta is a typical idiot virgin loser. Until he buys a handbook for turning on a girl's "Switch" to induce in her overwhelming sexual desire. After months of practice with a Dutch Wife Souta finally graduates from being a virgin. It's mating season! Put the girls in heat, make them your meat slave. Souta becomes a 'Switch' master.

Souta uses his technique on the girls closest to him. His childhood friends Nanaka and Iori, the student council president Alice, and his sister Eiri. When he turns on their 'Switch' they can't control themselves. They beg for his seed and won't stop till he plants it deep inside. Is it all fun and games or are they actually in love? A wonderful school life starts anew!