-both are romance fantasy dramas
-in both dramas, one of the leads supposedly has a bad fate (BoR-FL; TTEOM-ML) and the other lead is supposed to help them onto the right path (BoR-ML; TTEOM-FL)
-in both dramas, there is a mortal, demon, and heavenly realm

-FL both fave hardships that the ML helps solve
-Smart and Strong FLs
-MLs will do anything to help FLs
-FLs' mothers both died
-ML both have cruel-ish parents
-Er Niang like Yi Cheng faces a lot of abuse
-both Historical Chinese Dramas

-both MLs focus a lot on cleaning
-both FLs suffer from some pain, FL in hello Mr gu being debt, and the FL in use my talent is her mother's death
-both Fls are hard-working