Marika works for a small advertising agency and is busy with hard work every day. - Suzuki, a new graduate who works in the same office as her, also spends her days as a company slave. - The constant ringing of telephone calls, the pile of documents, and the rigorous labor that I couldnt even go home for 31 consecutive days ... - And while working overtime at midnight, Suzuki loses his normal judgment and attacks Marika from hesitation. - And again, Marika, who was on the verge of limit, drowned in pleasure as she pierced the back of her vagina for the first time in a while ...