[Harmless Bai Zhi for humans and animals x Xie Wuyuan, a dank male ghost] Pretend to be a pig and eat a tiger + wear a book + fight of wits + a little brother-sister-in-law literature + villain
Bai Zhi, a newly graduated dancer, actually passed out after playing an escape room and fainted? What she was wearing was actually the eldest lady from the enemy country whose family was wiped out - a maid in the mansion.
Bai Bai saved his life and entered the Xie Mansion by relying on the memory of the novel... Who knew that the two Xie brothers were both perverts?
Concept: The protagonist goes through the book to save himself