Psychopathic Brother ( KTH FF)

*Disclaimer: DO NOT PUT MY STORIES ON OTHER PLATFORMS WITH OUT MY PERMISSION OR I WON'T HESITATE TO TAKE LEGAL ACTIONS AGAINST YOU ALL RIGHTS RESERVED SO DON'T EVEN THINK ABOUT IT* Y/n: you're the best brother in the world Tae oppa!!!! I love you oppa!!!! Taehyung: I love you more my cutiepie!!! . . . . Y/n: I hate y...