Secretly love my neighbor...

A man named Oki has moved next to the Mizuhara couple, who live happily in the company's employee dormitory. One day, the laundry gets stuck on the balcony next to him, and his wife, Rika, calls out to Oki... Rika, who has a good impression of his gentle personality, ends up taking care of him. However, Oki, secretly attracted to Rika's kindness, pushes her down as she desires, despite her husband being in the next room. Rika's body feels a numb and sweet tingling as she experiences the intense sex that her bland husband doesn't have...