HHinano Kamisaka has her first boyfriend. Kazuki-kun, whom I have always admired. Therefore, I definitely don't want to fail [the first time]. I don't want to be seen as bad. And Kana has used the old, smelly, and dirty man who takes care of her at home as practice for intercourse. The first kiss, handjob, blowjob, and sex all belong to her. It's all for Kazuki-kun ...