Rikka Ono and her subordinate, Hironori, were on a two-night, three-day business trip to sell products at local supermarkets and department stores. Since their destination was a tourist spot, they ended up staying at a hot spring inn. However, due to Hironori's mistake, they only managed to book one room. With every place being fully booked, they couldn't change rooms. The newlywed Ono, already known for her strict demeanor, found herself having to share a room with Hironori. "When Rikka Ono, who has a strong personality, complained about her married sex life, I somehow smelled something erotic..."