chengxian thought: turnip sales aren't cutting it, so wwx freelances out of a yiling brothel. jc, blowing off steam on one of his periodic trips to check up on him, asks for whatever the madam recommends and, welp, there's his brother. jc writes this off as a charitable donation. I did not intend to put any further thought into this but just like, the idea of the moments where wwx is still laughing off the coincidence and jc has already decided to go through with it, to insist, and wwx slowly slowly gets there