コンドームを着けても奥さんを妊娠させちゃう精力絶倫なノンケで子持ちの土建屋の親方が、奥さんからSEX禁止令を出されてしまったからさぁ大変！仕方なく始めたアナニーにドハマりしたことを鳶のガワさんとヤっさんに見つかって…。とにかくひたすら親方が精液ドロドロぬたぬたまみれにされて、鳶職人のふたりにヤラれまくるガテン漫画です！ He is married, a dad of five kids, and a master carpenter with a sexual appetite. "Five kids! Even a condom can't stop you! That's enough! No more sex!", one day his wife declared. Then, the trouble had started when this big guy found out how good it felt to masturbate using his own ass. "What's wrong with you, boss?", when his colleagues noticed something wrong with their boss, a cum-soaked sex battle begins among the horny carpenters at the construction site. (All texts in Japanese).