Mizuki, the female superior, is consumed by jealousy towards her newlywed subordinate, Hashimoto. Driven by this jealousy, she ends up having sex with Hashimoto, intending to disrupt his honeymoon bliss. What started as a fleeting whim turns into an incredible sexual encounter, realizing she's found the perfect partner. Their bodies are so compatible, even better than her own, that they can't help but feel aroused even at work. As soon as they punch in, they eagerly wet their underwear with pre-cum, unable to contain the erection that forms under their suits. The moment the clock strikes five... their secret office creampie project begins!
