She Became Beautiful by Talking Back

Zhou Zhou is terrible at everything except roasting people. Her motto is never to make herself miserable with overthinking, and to make other people miserable instead. After she bonds with a roasting System, the two become partners in crime, taking on everyone and everything. She can roast people and become prettier, too. Zhou Zhou is now the most cheerful girl in the world, until she meets Chen Yu, a weirdo who can’t understand plain speech… There won’t be much romance. The story mainly follows the heroine’s journey to become prettier and stronger, so fans of inspiring heroines are in luck.