Protagonist that commutes to a certain private educational institution. There are very many girls having a lover in this school somehow, the protagonist always did a miserable thinking.

However such he had a talent big by one. That is "In fact sexual intercourse is super good" the one. The protagonist who attacked the childhood friend by chance and noticed one's special ability. [That, possibly when satisfying in unquestionable even when it rapes!] It reaches the conclusion at last.

Thus the protagonist that awakes to the talent, the netori from one after another, the excitement cum was done.