Momozono Matsuri is the owner of the Fufuhan Restaurant in Chinatown. Her mother was deceived into carrying a significant amount of debt and disappears without a trace, leaving Matsuri's precious restaurant and home in danger of being seized. Determined to take back the large sum of money from those who deceived her mother, Matsuri decides to apprentice under a skilled con artist, and following her mother's last words, she visits Mikado Seiichi, a psychology lecturer at a university. However, Seiichi is far from the image of the "skilled conman" that Matsuri had in mind...