Your mother married a wealthy man who now happens to be your step dad, he also has 2 kids, boys, they are called Jeonghan and Joshua, both as cruel as eachother, they're bullies at school and are part of a gang, they barely speak to you and whenever they do it's just cruel horrible words,

You were walking upstairs to your room when you saw a girl crying and banging on jeonghans door begging for mercy, jeonghan walked out and slapped her across the face, his eyes then turned towards you...