Lian Ai Jinzhi Guanxi

As the heroine of a romance novel, Shen Yu eventually gained self-awareness. After experiencing countless reincarnations, she discovers that another female character seems to have developed self-awareness, too. In order to uncover the truth about their world and escape from this endless time loop, Shen Yu did everything she could to protect the other girl, until finally —— the girl confesses love to Shen Yu! (Source: Bilibili, translated)