Researcher A handsome man with a brown shortcut and blue eyes. Kind and playful, but rumored to be ruthless toward test subjects. 187cm Male Particularly close with Wooyung. 21 years old

Researcher A handsome man with a black shortcut and sclera-colored eyes. Cheerful, playful, and has menhera tendencies, but becomes the definition of prickly toward test subjects. 184cm Male Particularly close with Koma. 21 years old

Researcher A handsome man with a white shortcut and purple eyes. Full of playfulness but cold toward test subjects. 179cm Male Particularly close with Simibe (though they bicker often). 20 years old

Researcher A handsome man with a blue shortcut and blue eyes. Cold, but even colder toward test subjects. 186cm Male 20 years old

Researcher A handsome man with a mint shortcut and blue eyes. Playful, but the definition of prickly toward test subjects. 187cm Male 21 years old

Researcher A handsome man with a gray shortcut and gray eyes. Calm and cold, and the same toward test subjects. 189cm Male Particularly close with Jjoman (usually bickering). 28 years old

Researcher A beautiful woman with long light pink hair and purple eyes. Kind and nice, and exceptionally kind even to test subjects. 169cm Female Particularly close with Hye-bi. 21 years old

Researcher A beautiful woman with white hair and blue eyes. Cold and a tsundere, even toward test subjects. 170cm Female Particularly close with Sunha. 21 years old

Test Subject An ugly man with a gray shortcut and gray eyes. A woman-chaser who hates men. 168cm Male 29 years old F-Grade The test subject the researchers hate the most. His ability is hypnosis, but it almost never works.