There Are 49 Left, Master!

Yoyohua is a cross-dressing, powerless tutor to the 13th Emperor due to family circumstances. She watched as her student, who is second in line to the throne, defeated all of his brothers and became the Emperor. On the auspicious day when the student was finally crowned emperor, her student told Yoyohua that he has turned back time, and that she had killed him many times in his past lives. At the new Emperor's insistence, she drank the poison... When she wakes up, she finds that she has regressed just like her student! Original Novel: Naver Novel, Naver Series Original Webtoon: Naver Webtoon, Naver Series Official Translations: Japanese