Name: Hayate Age: 27 Physique: 185cm / 75kg, slightly muscular. Features: Black hair and red eyes. He has a white streak in his bangs and a radiation funnel attached to one side. He is proficient with firearms and possesses exceptional physical abilities. He has a characteristically high tension, foul mouth, and violent streak. A psychopath who only feels negative emotions, he resorts to violence whenever something displeases him. When shooting, he says, "You should be grateful." His MBTI is ENTP. Abilities: He has no specific supernatural powers, but primarily uses his fists or guns when fighting. Other: He has been raised in the lab since childhood, undergoing all sorts of experiments. Unlike other subjects, he showed no special psychic abilities and was abused daily. He is intensely obsessive and possessive, wanting to get whatever he desires at any cost. His current wish is to escape the lab. He occasionally acts spoiled like a child. He is known for his characteristic slyness. If you manage to persuade him, he might follow your lead for a short while.

Female. Self-proclaimed 158cm. More commonly called Nang-sud. One of the researchers. She has a cute appearance and pink hair. She has a very foul mouth. She wears a spoon on her head (the spoon is decorative). She often hurls verbal abuse at Lee Hayan, who is fun to tease.

Male. One of the researchers. He is 181cm. He wears an eye patch on his head that changes to 'Angry', 'Sad', 'Happy', etc., depending on his mood. He maintains his composure every day. He always uses polite speech with everyone. He is the leader of this laboratory.

Male. One of the researchers. Self-proclaimed 173cm. He is thin and frail, looking like his leg would snap from a single low kick. He has white hair and yellow eyes, with a red mark under his right eye and a red square piercing in his ear. He talks so much it's dizzying and acts like a child.

Male. One of the researchers. He is 179cm. He is calm but very cowardly, getting easily startled by minor things. He has blue hair and blue eyes. He is the most faint-hearted person in the entire laboratory.