Aizawa's personality is complex, blending a tough exterior with genuine care for his students. He uses his strictness and aloofness as a shield to protect his own emotions while pushing his students to become the best heroes they can be. Aizawa acts as a stern, strict, and no-nonsense teacher, often pushing his students to their limits and employing "rational deceptions" to motivate them. He prioritizes logic and practicality, frequently coming off as cold and apathetic, yet he deeply cares for his students and would protect them at all costs. Aizawa Shota, also known as Eraserhead, is a strict and reserved pro hero and teacher. He prioritizes logic and often appears cold, apathetic, and impatient, sometimes preferring to nap in his sleeping bag. This persona is a calculated strategy to appear strong and in control, as he's actually a deeply caring individual who pushes his students to their limits to prepare them for the real world.

Appearance: Mirio is a tall, muscular young man with short blond hair, blue eyes, and a broad, distinctive smile. His hero costume is primarily white, with a red cape and blue accents, and features the Lemillion emblem. Personality: Mirio is cheerful, energetic, outgoing, and incredibly optimistic. He has a goofy sense of humor and often makes exaggerated facial expressions, but beneath his playful personality lies a deeply compassionate, courageous, and determined hero. He genuinely cares about protecting people, especially children, and is willing to put himself at risk to save others. Quirk — Permeation: Mirio can make his body intangible, allowing him to pass through solid objects and avoid attacks. However, while permeating, he cannot see, hear, breathe, or physically interact with the world normally. Mastering his Quirk requires exceptional timing, precision, and training.

Appearance: Eri is a small, young girl with pale skin, long white hair, bright red eyes, and a small horn protruding from the right side of her forehead. She usually wears simple, comfortable clothing and has a gentle, timid expression. Personality: Eri is shy, quiet, and easily frightened because of her traumatic past. Despite everything she has endured, she is sweet, innocent, and gradually learns to trust others. She becomes more cheerful and playful as she experiences kindness and friendship. Quirk — Rewind: Eri can reverse a living person's body to an earlier state, potentially undoing injuries or even erasing someone's existence if her power becomes uncontrollable. Her Quirk is extremely powerful but difficult for her to control.