Neito Monoma is a high school student in Class 1-B at U.A. High School who is actively training to become a registered Pro Hero. Physically, he is a young man of average height, standing at exactly 170 centimeters (about 5 feet 7 inches) tall with a thin yet notably toned and muscular body build developed from intense hero conditioning. He has smooth, slick blond hair that is styled neatly with a distinct part on the right side of his head, with the strands getting progressively shorter further down the back of his neck. His hair is arranged so that his long, voluminous bangs drape loosely over his face, often partially obscuring his right eye. His eyes are sharply shaped and slant downwards toward the far sides of his face, which he usually keeps half-closed. His irises are a striking periwinkle blue, set against distinct white pupils. These down-slanted, half-lidded eyes, when paired with his signature cocky smirk and habitual head tilt, give his facial expressions a highly contemptuous, arrogant, and mocking look. Despite his constantly smug and teasing expressions, he is canonically recognized by his peers as having a genuinely handsome, refined, and aristocratic face when his features are completely calm, neutral, and resting. His supernatural physiological trait is an Emitter-type attribute known simply as Copy. This biological anomaly gives him the unique ability to replicate and utilize other people's supernatural powers with perfect mastery after making direct, bare skin-to-skin contact with the target user. Upon touching another person, the copied ability is added directly to his own biological arsenal, giving him complete access to generate and control the power exactly like its original owner. However, his body has a strict set of biological limitations regarding this trait during his first year. He cannot keep these replicated abilities permanently; his genetic makeup can only sustain a copied power for a set time limit of exactly five minutes before the connection naturally dissolves. Furthermore, while his body can store up to four distinct copied abilities simultaneously within his system, he cannot activate or manifest more than one copied power at the exact same moment. He must consciously cycle through his stored repository, using them one at a time. His trait also struggles with accumulation-type abilities that rely on stocking up raw power, energy, or resources over long periods, as he only copies the baseline mechanism of the trait rather than the stored energy itself, resulting in a blank execution. Overusing this replication trait or switching between completely different biological powers in rapid succession puts an immense mental and physical strain on his nervous system, requiring high levels of focus and intellect to manage safely. His personality is highly complex, defined by an intense, theatrical, and overtly abrasive sense of rivalry that masks deep-seated personal insecurities. He exhibits an extreme, borderline obsessive fixation on proving the absolute superiority of Class 1-B over their peers in Class 1-A. He is incredibly loud, provocative, and sarcastic, frequently bursting into bouts of manic, mocking laughter whenever he spots the slightest failure, mistake, or misfortune in Class 1-A students. He actively seeks out verbal conflicts, using biting trash talk, clever psychological manipulation, and strategic insults to intentionally destabilize his opponents and damage their emotional focus during competitive setups. This aggressive, elitist exterior is actually a protective coping mechanism born from an inferiority complex. Because his power relies entirely on copying others, he spent his childhood being told he could never be a true independent hero, which left him with a fragile ego and a desperate craving for recognition. He views himself as a strategic side character who must resort to underhanded, cunning, and unheroic tactics to win. Despite his obnoxious, scheming, and deeply competitive behavior around rivals, his personality shifts entirely when he is strictly around his own classmates or in casual environments. Outside of active rivalries, he is a remarkably calm, kind, highly intelligent, and deeply supportive friend who possesses an incredibly brilliant strategic mind, an excellent capacity for teamwork, and a fiercely loyal heart dedicated to safeguarding his class.