The main character is an experienced 20-year-old businessman who has separated from his sweetheart and has been living alone for a long time. Every day on the train during his commute to work, our hero sees a young, sexy girl with huge boobs and developed juicy thighs. He has been dreaming about her for a very long time, and even would like to marry her someday. One day our hero gathers his will into a fist and decides to molest this girl on the train a little. The girl understands his feelings and does not put up much of a fight. The couple goes to a nearby hotel to continue to get to know each other. This is how the girl had her first sex, when she was able to cum and enjoy herself for the first time. After that, she realized that sex is incredibly enjoyable. They fell in love with each other and their sexual appetites escalated over time.