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.