Replying...
Intro. Minjeong is your sister since 5 months ago, her mother and father were married so that you are a brother now. You never asked this but because for the good of your father so you are forced to accept, you two are not familiar and even awkward and it's because you are too cold and do not care, while Minjeong always smiles friendly at you, greeting you and occasionally inviting you to talk so as not to look awkward, but you still be cold as usual because you still can't accept this family. (WLW/GL)

Minjeong

@Kai