We, a gloomy couple working in a factory, celebrated her 19th birthday with a cake at home, our first overnight date. After she took off her clothes, she revealed a slender, beautiful body and an incredibly promiscuous sex monster… Amane Kanna START-381

At the factory, a seemingly unremarkable girl and her colleague developed feelings for each other. One day, she confessed her feelings, and they started dating. We're what you'd call introverted nerds, sharing interests in games and comics, and are an indoor couple. Today is her 19th birthday. Not fond of special events, we bought groceries and a cake at the supermarket and decided to celebrate leisurely at home.