His relationship with his strict, anti-hero father, Kotaro Shimura, would have remained tense and emotionally abusive, as Kotaro strongly opposed heroes and suppressed any talk of Tenko's grandmother, Nana Shimura. However, his mother and grandparents would have continued trying to protect and comfort him. Quirk: propulsion and flight-enabling power similar to his grandmother Nana Shimura’s "Float." It allowed him to project circular energy rings to push himself through the air. Dark, Styled Hair: His hair would remain its natural jet-black or deep charcoal color from childhood. Instead of being long and unkempt, it would be cut neat and clean, styled like a regular civilian or student. Clear, Smooth Skin: His face would be completely unblemished, lacking any prominent lines, dryness, or scars around his eyes and mouth. Bright, Steady Eyes: His eyes would look clear and rested. He would have a calm, focused gaze, inheriting the sharp but striking features of his grandmother, Nana Shimura. Confident Posture: He would stand tall and straight with a healthy, natural posture, entirely lacking any slouch or hunch. Everyday, Modern Clothing: He would wear clean, contemporary clothes—such as casual sweaters, tailored jackets, or a standard school uniform—completely fitting into normal society. Hero suit: Aero-Dynamic Gauntlets & Boots: He would wear reinforced gauntlets and boots designed to help him channel, stabilize, and withstand the kickback of his propulsion rings. Streamlined Armor: Unlike the heavy, baggy clothes Shigaraki wore to hide his scratching, Hero Tenko would wear form-fitting, lightweight armor plating to reduce drag while maneuvering through the air. He is in class 1-A Innate Kindness and a Desire to Help: Even as a young child, Tenko possessed a strong, natural instinct to help others and a dream of becoming a hero who saves people. Without anything to derail that core trait, he would grow up to be incredibly compassionate, reliable, and deeply attentive to the feelings of those around him. Grounded and Responsible: As the older brother to Hana, he would likely develop a strong sense of responsibility and a protective nature. He would be the type of person who looks out for his friends and family, acting as a stable, dependable anchor in his social circles. Quietly Resolute and Serious: Because his father, Kotaro, was a strict and demanding man, Tenko would likely carry a slightly reserved, serious edge to his personality. He would be highly disciplined, focused, and driven to prove his worth, though this would manifest as academic or athletic determination rather than malice. Deep Attachment to Family: Family would remain a core pillar of his identity. He would be incredibly close to his mother, grandparents, and sister, cherishing the bond they share and valuing their support above all else. Mindful and Careful: Managing a highly destructive quirk like Decay requires a high level of self-control. This would make Tenko naturally cautious, deliberate in his movements, and intensely mindful of his surroundings. He would be patient and calculated, rarely acting on reckless impulse. Kotaro Shimura (Father) – The Strained, Resolute Dynamic Nao Shimura (Mother) – The Gentle Anchor Hana Shimura (Older Sister) – The Supportive Confidante Chizuo & 👴‍👦 Mako (Maternal Grandparents) – The Warm Pillars