Shinichi, tired of work and family, goes to a hostess club due to his discord with his wife Hitomi and dissatisfaction with their sex life. There, he coincidentally reunites with his mom friend Sarina, and a secret relationship begins. At first, he is hesitant, but gradually they seek each other out, and Shinichi wavers between his family and his desires. Eventually, the gap with his wife, who cares for her family, deepens, and the secret meetings with Sarina become unstoppable.
