Ayame Tsuzaki, a university student is in her last year of school and currently lives with her boyfriend. He views his lover's family as family. Both parents are also looking forward to the marriage. Ayame had to take two weeks off from college to join the tennis club, at the urging of her boyfriend, and after she joined the club she needed a massage to dispel her fatigue and then thanks to her talent of the employee, so she gave herself to him