Joy was a happy kid but everything changed the day her mother got remarried to another man and he came with his own children, the day they became family was the day Joy lost her smile. Joy lived her life quietly avoiding trouble from her steps sibling knowing her mother would choose them over her and she will end up being punish even without hearing her side of the story. Once they started high school and was all grown up her step sisters Jennie and Jisoo didn't like her one bit and try to get Joy into all kind of trouble with her mother. 

Hanbin

Joy

Bobby

Jennie

Jisoo