The son brought his girlfriend home to meet his father, the girl is Shiori Kamisaki. They have known each other since childhood, so the father was already familiar with Shiori. However, she has now turned into a beautiful young woman with a stunning figure, making him unable to take his eyes off her. After that, he secretly dropped an aphrodisiac into her drink to invite his son's girlfriend to drink, and then... everything happened just as you are thinking :))