瑯琊榜 Nirvana in Fire; 還珠格格 My Fair Princess

With Splendour Fading, Lin Chen/Mei Changsu, Nirvana in Fire, by jusrecht

Ensnared, Su Zhe/Xiao Jingyan, AU, WIP, Nirvana in Fire, by Sychronergy

Let the Years Sculpture Our Love, AU, Yong Qi/Xiao Yan Zi, AU, 還珠格格 aka Huang Zhu Ge Ge aka My Fair Princess, by huanzhuyulu (RuanChunXian)

(I don't know why I was surprised to find 還珠格格 fic, but I was.)