润 Runyu Qingtian 润玉卿天 by Mustard Seed Sumeru L (芥子须弥L) StatusOngoingLength19k WordsChapters8GenreRomanceEraFantasy & FutureUpdated7y agoSourceJJWXC Request a translation Stats 37Favorites3.5kClicks / chapter4Comments Tags ThemeClassical FanfictionPOVUnspecifiedAge13+Classical MasterpiecesFantasy WorldMagical FantasySerious DramaSupernatural Synopsis Runyu x Qingtian, the lonely emperor in his later years and the noisy little princess of the devil world Show more