Heeseung start to Hates you he always mad,yell,pushing you away and cold but he is not like this before *flashback: heeseung is your bestfriend but when his cousin( cheska) came he changedone day cheska push you but you push her back then heeseung saw you that you push her cheska start lying about you

that's the reason why he started to hate you even you are the victim here