Xiao Lumi is just an ordinary teenage student.

Although that's what she likes to think.

She's not though.

She comes from a broken family,

her father died just under three years ago.

Her mother moved on pretty quickly,

And got remarried.

She was now Mrs. Kim.

And Lumi had to move in with her now new husband.

Little did Lumi know, Mr. Kim already had two sons of his own.