She harbors a secret sexual fetish she can't tell anyone about, while striving daily as a well-rounded female student excelling both academically and athletically. A member of the kendo club, she dedicates herself to grueling daily practice. Even drenched in sweat, her demeanor remains utterly serious. However, she gradually begins to notice an uncontrollable fascination with sniffing her own scent, which she finds increasingly arousing. One day, she decides to try a dating app. Soon after, she meets an ordinary middle-aged salaryman in a hotel district.