Beautiful housewife Miho works daily as an interior decorator, supporting her life with her husband. One day, her husband comes home from work bringing along the contractor he always admired—"Boss." The man announces he's giving them a high-end TV as a housewarming gift. That night, seeing her husband fast asleep, the boss becomes captivated by Miho's hidden beauty. Without her husband's knowledge, Miho is enveloped by the boss's thick cock, experiencing her first time. His warm, gentle, yet powerful presence leaves a deep mark upon her heart.