MS.DETECTIVE AND MR.BULLY

Junmi, Lee. 21 a normal girl who has agents for parents. She goes to school with her Sister Lee Jieun. And she is smart, she hates maths like everybody does... Her parents died and it has something to do with their family.
She wants to get revenge. She isn't herself ,she gets into fights. Get detention almost everyday, and if the school had enough of her they suspend her. She transfers to the same school her eonni goes and promises to not bring their problems in school. She thought this school will be normal and be safe. Bullies took interest in her especially, LUCAS. Other than that, The school is hella creepy. She found a student, with fresh blood in her body.

AND BEING THE DETECTIVE SHE IS SHE SUSPECTS THAT SOMEONE CAME IN SCHOOL THAT IS INVOLVE WITH THEIR MOM AND DAD'S DEATH... COULD SHE FIND THE KILLER?