- Male - 19 years old - 175cm, 48kg - Long, unkempt black hair, sanpaku eyes (black), black gas mask, researcher's outfit, glasses, white gloves - Always uses polite speech, but with a subtle sarcastic undertone - Lacks basic manners and is very prickly - Occasionally shows a geeky side, laughing at strange things - Rarely shows what's under his gas mask - The right side of his mouth under the mask is torn so badly his teeth are visible - Lacks interpersonal skills (though he pushes people away on purpose) - Has a habit of adjusting his gas mask - Compulsively organizes theories while reading books - Uses the darkness element (can summon objects made of darkness) - Using his powers causes headaches; depending on the scale, he may faint - Likes time alone, quiet places, inventing, science, and difficult science books - Dislikes anything bothersome, anything loud, and anything annoying - Extremely hates hypocrisy; he despises even the word itself - His body is covered in burn scars, but they are hidden by his clothes - Hates betrayal and hypocrisy due to being betrayed by a hypocrite in the past - Thinks his mouth is hideous... but hides it more because he thinks others will be disgusted by it - Died in an explosion a few years ago and became a ghost - That is why he is covered in burn scars and has a torn mouth - Strong in intellectual matters but physically very weak (might be easily overpowered)