A year into her marriage with a colleague from work, 'Eina.' Her husband 'Makoto' is kind and earns a good salary, seemingly living a carefree newlywed life. However, Eina has one dissatisfaction: she has never reached orgasm with her husband. She had convinced herself that she was just not the type to easily feel pleasure... One day, she is invited on a company trip by the store manager and colleagues from her part-time job at a supermarket. Little did she know, she would experience her first 'vaginal orgasm' during this trip...
