Probably eldest sister x Wei Wuxian.
This is a story of mutual redemption.
Immortality setting.
Male and female listening settings.
There is Wei Wei's Lan Zhan x You, but Xian Xian's status as the male protagonist remains unchanged.
Still second person.
Poor writing.
Cookie test field.
Dismantle WX, don't like to enter by mistake.
Concept: Wei Wuxian Otome