Ms. Nobody's Romantic Survival Game

Once a spoiled beauty, she became fat and ugly after a serious illness!? Dumped by her boyfriend and friendless, she spent her days disheveled and unkempt, branded as the “good-for-nothing girl.” The heavenly princess has fallen into hell. Just as she resigned herself to drift through life all alone, a mysterious full-length mirror suddenly appeared in her room. The girl regained her beauty, and to her astonishment, she found herself transported back in time to when she was 17? (Source: Baidu, translated)