JUL-659 Office SEX where rationality collapses after 31 consecutive shifts. - Men and women on the verge of reaching their limits, working for black companies. - Marika Kobayashi

Marika works at a small advertising agency and is busy every day. - Suzuki, a new graduate who works in the same office as her, also spends his days as a company slave. - The phone never stops ringing, the paperwork piles up, and the grueling labor, with no time to go home, stretches into 31 consecutive shifts... - Then, while working overtime late at night, Suzuki loses his normal judgment and suddenly attacks Marika. - And Marika, who was on the verge of reaching her limit, was drowning in pleasure as she penetrated the back of her vagina for the first time in a while...