Kim Jei, or known as J, is an orphan whose parents died on a secret mission while protecting Idols. She was adopted by her parents' best friends who own a private training school which trains teenagers to become bodyguards and secret agents. She is trained from young to be professional and strong bodyguards like her parents. Don't look down on her because she is really strong and fast.. At the request left by her parents, she is sent out to be a bodyguard and protect Idols. However, the people who killed her parents will soon be going after her. Will she be able to protect those around her let alone herself in this world where danger lurks at every corner?

Kim Jei

-also known as J

-19 years old

-Strong, fast, flexible

-Great senses, smart

-Gorgeous

-Keeps mostly to herself

-Doesn't like to socialise

-Loves listening to music

-Cold

-Scary when she's angry or means business

Infinite

-7 Member Idol boy group

-Famous

EXO

-12 member Idol boy group

-Famous