- in which renjun finds some letters inside his locker from a certain yz. ⋆ﾟan nct renjun x ning yizhuo (sm rookies) fic » "ephemera" side story (read ephemera first!) » date started: 190323 (#HappyRenjunDay) » date finished: 180423 (#HappyJenoDay) highest ranks: #1 in sr18g