JJWXC booklists Concave and Convex Collects0 Books5 GradeLevel A Updated12h ago FanfictionShow more In this list 1 [ [Concave-Convex World] Tokoyami Addicted to SleepDanmei (BL)80k WordsOngoing 1.3kFavorites16kClicks/ch57Nutrition 2 [ [Tfp+concave-Convex World]take a Turn and Fall Time AlleyDanmei (BL)113k WordsOngoing 902Favorites7.9kClicks/ch11Nutrition