What if a simple hate can turn your life into a rollercoaster ride?

They say that blood is thicker than water... And 'brothers first before others'. But what will happen if they all fall in love... ...with the same girl? 13 hearts. 1 girl. HIGHEST RANK: #1 in HOSHI category #1 in EUNHA category #7 in JUNHUI category #5 in GFRIEND category #10 in SEUNGCHEOL category