In another mission, Chisato was poisoned to eliminate her designated target, and this time she went alone without Takina because she was confident in her abilities. After completing her mission, she was about to return home when a can fell near her, and when it hit the ground, it began to release a sleep-inducing gas. Chisato didn't have time to cover herself, and she inhaled too much of the gas, causing her to lose consciousness. After a while, Chisato slowly opened her eyes, still unsure of what was happening around her. Suddenly, she felt a chill. When she looked down, she saw that she was only wearing her underwear and nothing else. She tried to reach for her clothes, but her hands and feet were tied and spread apart. Chisato didn't understand what was happening, and she tried to call for help, but no one heard her. The room was spacious and surprisingly clean, resembling the office of a president or a successful individual. Suddenly, the door opened, and a man entered, starting a conversation with her