Your Highness the Regent, Your Assassin Is a Bit Dense!

Upon her death, Jiu Yue is offered a chance to return to her world with a billion-dollar reward for completing a mission. Grumbling about her assigned role as an assassin, she embraces the opportunity. However, a temporal delay leaves the mission details incomplete. Confident in her killer identity, Jiu Yue assumes the mission will be straightforward. She quickly rises to become the Regent's top assassin. When the system finally reconnects, Jiu Yue expects a high-profile target, only to discover her mission is to marry into the royal family, specifically Prince Ping – a corpse at her feet. Meanwhile, Regent Sima Qing, who has wielded absolute power, is furious an assassin breached his defenses. He launches a manhunt, but the assassin, Jiu Yue, conveniently presents herself at his doorstep, claiming to be a recruit. Sima Qing, suspicious, plays along, using her skills to eliminate his rivals while waiting for her to make a mistake. After six months, he uncovers her true identity. On their wedding night, he presses ceremonial wine into her hand, suggesting a simpler path than violence.