Yurina and Yukihiro are a loving newlywed couple who met at work, fell in love through office romance, and tied the knot. Praised as the ideal husband and wife, they respect each other deeply, support one another as colleagues, and push each other to grow professionally. After Yukihiro's recent promotion to a leadership role, he dives into his duties without pause, while devoted Yurina cares for him attentively. Late one night in the empty office, their sweet newlywed moments ignite forbidden excitement...
Enter new employee Takashi Kiuchi—an arrogant, lazy rookie who complains constantly, avoids overtime, and quickly becomes disliked. Intending to help her busy husband, Yurina volunteers to mentor the troublesome subordinate. What begins as innocent support soon spirals into something far more dangerous and intimate...