Adult PC Game: Jukubo Miboujin Kazumi Musume no Kareshi ni Dakarete... by Ume Soft Archive

The protagonist meets with Kyoko, Kazumi's daughter.
Everything is good in their relationship, but one thing is missing - sex. The hero decides to turn to Kazumi, with a request for help with advice. She says that in the past, Kyoko had extremely sad experiences in relationships, and therefore it is difficult for her to trust a man sexually.
The hero agrees to wait, says thanks, and he ought to leave, but something is holding him ... This is Kazumi's magnificent body: large and firm breasts, gentle curves of the hips. The guy, who had not yet known female affection, could not hide his admiration, and Kazumi lost her husband long ago and did not abandon her young lover. Having indulged in passion, they do not yet know what to do next. Tell Kyoko or hide your relationship?
And what happens when Kyoko finds out about their relationship? Is there a chance that passion will take over three people already?