both the drama have have the same type of the leads as in DAYS have a ill FL and in DWY have ML ill. both leads illness can be cure by there PARTENES ( main leads) .
they both have work place setting and genre is also quite same.

this is the sequel of the strong woman do bong soon. in SWBS we have seen the similar power that runs in women of family. in that drama the story revolves around bong soon played by park bo young and min hyuk played by park hyung sik.