Sect Master, I Really Am Not Your Husband-In-Law.

Nangong Yu joined the Wansheng Sect and wanted to practice well here, but found that his senior brother Xu An was a psychopath. This person's behavior is weird and different from ordinary people, and he has become the laughingstock of the entire sect. After contact, Nangong Yu discovered that the rumors were true. Xu An not only did ridiculous things like peeking at the widow taking a bath, but he also often killed bugs as if they were monsters. Until one day, she suddenly discovered that everything her senior brother did was for the sect, and he was the only one who was awake. From then on, Nangong Yu's world view began to collapse... The more I get in touch with him, the more I feel weird about my senior brother. How many secrets does he have hidden...