Qingdi Meitian Dou Zai Bian Mei

Transmigrating into a novel as a minor side character, Shen Jintai was determined to remake himself by completing the missions from the system "Xiao Ai." He has to become prettier in order to become a star in the entertainment industry. And he has to get between the male lead Yan Qiuchi and his partner Bai Qingquan so that Yan Qiuchi will focus more on his career. Yan Qiuchi originally disliked Shen Jintai aggressively, but now his attitude towards Yan Qiuchi has been getting more and more ambiguous?

(Source: Kuaikan, translated)