Naiarah Montmeyer is a transferee student who was adopted by Mr and Mrs Smith a commoner people who found her when she recover from being comatose. She change when she lost him. She became a monster they weren't expecting. Sa pag-transfer niya sa academy, makikilala niyang muli yung mga naka-limutan niya. What secrets is she hiding? Will she able to find the truth behind the real Naiarah Montmeyer. Can they help her? or they'll destroy her?

Everything was fine...Not until this woman came to their life. She's known as an arrogant, doesn't respect her kings, good at fighting, and fearing nothing. She's a member of Assassination Group, became part of "Bloody Game" as her punishment from grave sins, and also almost died several times while doing her mission inside this school or Maximus University. This school contains killing, fighting, and bloody revenge. That's why it's called the ASSASSINATION SCHOOL.

She don't know how to cry, and even how to smile. She's also scared to be happy, because she suffers a lot. And no one can blame her for being like that, because she experienced a lot. And those experiences made her like that. She's Akari, a cold, heartless, serious, and she's just talking when it's needed. She studied at Arlouise University, which is filled with killing, fighting, and also full of secrets. Here in this school, she will also find herself.