"Don't let go of your precious treasure. Because one day, it will become your support." A middle-aged prisoner who, contrary to her stubborn and strict appearance, is kind and gentle. She carefully protects other prisoners, and has been studying MILGRAM since being imprisoned there. She was once the chairman of a company, but has now retired, handing the company over to her successor. She is 40 years old, and her height is 168cm. her blood type is type O. Her birthday is December 24th.