My father's remarriage partner was a serious, gentle and responsible mother-in-law mother! The virgin son can not help being concerned about sex. Busty of the mother-in-law got into his eyes and sex drive is on the verge of bust! The mother-in-law seems to correspond with the god of a rainy saying "You can practice sex as much as you want." I did not go well and I had cummed many times, but I was never angry and my virginity was completed! Actually, she also found that her mother - in - law was dissatisfied with sex with her father, and a rose - colored sex life started! 父親の再婚相手は、真面目で優しくて責任感が強い爆乳義母だった!童貞の息子は、セックスのことが気になって仕方ない。そんな時に義母の巨乳が目に入って性欲が決壊寸前!見かねた義母が「好きなだけ私でセックスの練習していいよ」とまさかの神対応をしてくれることに…。上手くいかず何回も中出ししてしまったが、怒られることもなく童貞喪失完了!実は義母も父とのセックスに不満だったことが発覚し、薔薇色の性生活がスタート!