
if she was his sister , this will turn from good to bad quickly.
based on gyoon's personality, and if she really is his sister they will have more or less same personality(as they says same personality clash) and the over protectiveness of gyoon toward yohan may be same on this woman.
so she might hate our mc and became another wall for our little cute couple.
AHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHJSKGJKL
AAERHHHFURGKVD