Tang Yinghao

Amid King Heng’s oppressive rule, rebels vow to overthrow him with a secret edict. When carefree heir Xie Changsheng disguises himself as an official to woo the beautiful Bai Shanshui, he accidentally entangles himself in a deadly web of assassins, conspiracies, and hidden agendas at a tense inn showdown.

Yan Yiyi, the heroine, accidentally enters the novel she wrote and tries her best to become a "nail house" in the cold palace to return to reality, but makes the emperor Qin Yu, who is sexually continent, very interested.