Truthfully, I'm always a little skeptical about reader-insert fics because they often flatten the romantic lead into a fantasy boyfriend, but the good 'Zhongli x Reader' stuff bucks that trend completely. It's precisely because he's this ancient, seemingly unflappable being that making him vulnerable feels earned. The best authors don't just have him monologue about his grief. It's in the small cracks: a moment where he sees the reader handling a worn teapot, and his voice goes quiet, lost in a memory of Guizhong. Or he insists on paying for a simple meal, a ritual so mundane it anchors him when the weight of millennia gets too loud. The 'reader' character often becomes a mirror for his humanity—not by fixing him, but by noticing the absence in his stories, the way he hesitates before entering certain places. It turns the trope on its head; the power imbalance becomes the source of intimacy, not just wish-fulfillment.
I stumbled across one story where the reader was an archaeologist, piecing together shards of a vase. Zhongli identified the era instantly, then went silent for a page, just tracing the broken edges. The emotional work was all in that pause, in the reader choosing not to ask for the full history. That dynamic—where vulnerability is offered through shared silence, not overwrought confession—feels uniquely suited to him. It explores the ache of outliving your world, and the terrifying hope that comes with letting someone new see the scars.