Yusuke Mizusawa yearns for a busty girlfriend. One day, a friend of his introduces him to a busty girl called Reina Toyohara. She asks Yusuke if he can be her private tutor. He visits her house for more information, and there, he finds huuuge tits that belong to Reina's mother, Mitsuki, who was bustier than her daughter. Thus, Yusuke agrees to being her private tutor. Reina, in fact, has seen Yusuke at a school festival and has had a crush on him since. Even while studying, aware of Yusuke's liking of big boobs or not, Reina entices him with revealing clothes, wearing no bra underneath. Unable to resist, Yusuke rubs her boobs over her clothes, eventually ripping off her top and starts playing with them thoroughly, fondling, licking, and tit-fucking. Reina cums by his persistent boobs play… A few days later, Yusuke visits her again. As she was taking a bath at the time, Mitsuki invites him into the living room. There, she asks him directly whether he had done it with Reina. Mitsuki shows off her huge boobs to the flustered Yusuke…<br><br>(Source: OceanVeil)

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