Kawashima is invited to his boss's house to be thanked for his hard work. He is greeted by his boss' beautiful wife, Monami, who is a perfect match for him. Kokoro at first sight, Kawashima looks enviously at the boss and his wife as they flirt, but... Nami is so bold that she seduces him when the boss isn't looking! Her seductive smile makes his heart race. Monami's seduction continues, and as soon as the boss falls asleep, she embraces him...