年上幼なじみ おしかけレッスン

Junichi, you've been wondering what's going on under my rider's suit, haven't you? Ryoko knows everything. She also knows that you're a crybaby and indecisive, but you love your childhood friend, Yuka. I'll leave everything to my sister, both in love and sex. But for now, let's do lots and lots of nice things (heart). (Source: DLsite, translated)