Master Who Wears Books, Don't Pester Me Anymore

Yan Yueya always thought that he liked the heroine, but she didn't expect that he had always liked her. When Yan Yueya didn't know his feelings, in her eyes he was a cold-blooded, innocent, gentleman with great cultivation. Later, when she knew his feelings, he changed, became dark, possessive, paranoid, and perverted, which frightened Yan Yueya... The kind-hearted, conscientious and studious female protagonist