<blockquote>Wei Wuxian has been wandering alone for six months when he suddenly stops writing. This is deeply concerning to at least a few people. Jiang Cheng is not among them.
No, really, he's not.
(Or, the one where Wei Wuxian vanishes and Lan Wangji, reluctantly, asks for Jiang Cheng's help tracking him down.)</blockquote>