Many Things Have Changed, But I Haven't

Sequel to "It Was Always There", based on episodes 19 to the beginning of 27 of the television series. Also on AO3. Rated M for future chapters. Lan Wangji searches for Wei Wuxian and eventually finds him three months after the Sunshot Campaign began. Much to his horror, he learns that he practices Demonic Cultivation, and whether he is the same man he fell in love with...or not.