髭ヅラ体育教師・須藤とヤンキー・根岸は、今や学園内の秘密のカップルに（？）。ある日、「一緒に夏祭りに行きてえ！」「須藤の浴衣姿（褌着用）が見てえ！」と言い出した根岸。断固拒否してた須藤だが、祭当日には浴衣姿（褌着用）で登場！？ 発情した根岸は大興奮。人気の無い場所に隠れて再びふたりで子作りセックス！！「嫁さんが感じると、子どもが出来やすくなるんだろ？だったらスゲエ感じさせてやるって！」A bearded P.E. coach， Sudou and his roudy student， Negishi， are the secret couple in the school.One day， Negishi asked Sudou to go with him to a summer festival. Sudo was reluctant at first， but eventually came to the festival in a yukata （summer kimono）. Negishi， in heat at the sight of Sudo in the yukata， took him into a small shrine and began to fuck him straight away. ’’The more a wife feels great in sex， the easier it is for her to get pregnant’， right？ Then I’ll make you feel really fucking good！’＊The text in this manga is all in Japanese.