Kana, a high school student, got her first boyfriend. - Kazuki-kun, who I have always admired. - That's why I definitely don't want to fail the first time. - I didn't want people to think I wasn't good at it. - And Kana used her stinky and dirty grandfather, who was being cared for at home, as a practice table for sex. - My first kiss, hand job, blowjob, and sex were all with my grandpa. - It was all for Kazuki-kun...