There have long been high school girls all over the country who engage in compensated dating as a part-time job, but now, through the use of social media and apps, compensated dating has become less sinful and, in a sense, has become accepted as a normal part of life. Mitsuki is one of those girls who engage in sugar dating, and she started using sugar dating sites in order to get money for her smartphone and to buy things she wants. There, she happens to meet a rich man who skillfully invites her to his house, and Mitsuki lets him play with her body in order to earn some pocket money, and before long, she becomes addicted to the man's cock and cums over and over again!