amanda 

amanda has since young been  neglected by her parents her parents only care about her sis and no one else they call amanda names such as idiot and stupid causing amanda to be emotionally hurt sice young she has learned to fight for herself and protect herself 

one;22 

one:22 are a band of singers amanda hates them because they  like to and disturb her but later amanda finds out something diffrent about them that makes her chnage her view of them and treats them like her brothers 

superjunior 

superjunior are amanda's adopted brothers they care alot for amanda and are enimies with one:22 because they like to tease amnda and superjunior will not let anyone tease their dongseang