Park Jiyeon

She is a transfer student at Seoul High. (She’s an exchange student from Europe. xD) She is a rank S student of the “Assault” division. She came to Korea to recruit Kris to be her partner to prove and clear her mother’s name. Her mission is to capture the perpetrators who she believes that framed her mother, sending her in confinement. She is known as “Quadra” because of her superior ability to wield two of either guns or swords at the same time. She is also the fourth generation descendant of Sherlock Holmes, making her Holmes the 4^th.

Wu Yi Fan/ Kris Wu

Kris is a rank E student is Seoul High. He falls into rank E due to missing the evaluation exam mission. Though he is the lowest rank, he is a skilled fighter and detective. Currently enrolled in the Inquest division, Kris was supposed to quit Seoul High after his brother’s death but was halted be Jiyeon, by making him, her partner. Kris has a special trait that was passed down in the Wu Family. He can become a rank S mercenary whenever he enters Hysteria mode, a condition where his blood rises and extremely boosts his senses making him surpass a normal human. His weapon of choice is a custom Berretta M92F which was illegally modified to 3 fire burst rounds, called Berretta Kris model, and a diamond knife.

Lee Sul Mi/ T-ae

T-ae is a class S Seoul student and the ace of the sniper’s department. She is the type of person that shows no emotions and is always silent. Her signature item is her huge headphones that she wears over her head. (I don’t say. xD) She uses a flintlock sniper rifle and can shoot up to 2km away without missing her target. She always says a quote before shooting her target.

Lee Ahreum

Ahreum is a student of Seoul’s special division, SSR or Supernatural Searching research division. She is a class A student and is the president of the student council. She resembles a fine Korean woman according to Kris that causes her to have a huge crush on him. In fact, her description changes whenever other girls get involve with Kris, making her, either run berserk or assault the other girls. She is the descendant of the maiden Q-ri, which enables her to control flames and a sword called Irokane Ayame.

Park Hyomin

She is an Inquest department student. Ranked second highest, Class A, she knows a lot of information about the students of Seoul High, though only few knows this because she hides it by her cheerful personality. Although she’s close friends with Kris and Jiyeon, she is actually a descendant of Sunyoung Lupin. Her full name is Park Sunyoung Lupin IV, though she despises being called the fourth. Like Jiyeon, she also has the title “Quadra” because she has mastery of wielding double guns and daggers.

Ham Eunjung

Originally a member of the organization EU, she is the 30^th generation descendant of the first Ham Eunjung. After losing a battle with Jiyeon and Kris, she’s forced to stay in Seoul High as a transfer student from France. She is one of the few people who knew Kris’ secret. Like Ahreum, she has the ability to control element. She can freeze anything by using her breathe. Aside from using ice, she also wields the legendary indestructible sword, Durandal.