ZUKO-051 Three busty sisters fight over me to have a baby.

君の彼女、マオは巨乳の可愛い女の子だ。彼女の家族はしつこく君を訪ねてくるように誘っていて、ある日君はついに彼女の家に行くことにした。彼女の家に着くと、胸の谷間が露わになった義理の姉妹たちが君を出迎え、君を誘惑し、マオの目を盗んで君に中に出させてしまう。しかし、マオはそれに気づき、君の睾丸が空っぽになるまで家に帰らせないだろう…。

Your girlfriend Mao is a cutie with big tits. Her family has been badgering you to pay them a visit, and one day you decide to comply. When you arrive to her house, you are greeted by her full-cleavaged Stepsisters, who seduce you and even let you cum inside them behind Mao's back. But she finds out, and she makes sure you won't go back home until your balls are milked dry...