I thought my brother had died during the incident.
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The Shimura's had never been perfect. In fact, we were far from it. Our father, Kotaro Shimura, was the son of Nana Shimura, and he was also the husband of Nao Shimura, our mother. Our father had been placed in foster care by Nana, and that planted a seed of resentment in him, making him think she had left him for the sake of her hero duties, which eventually led him to hating all heroes out there. He wanted a happy family, but he was sometimes an abusive man. Nao, our mother, was quite the opposite of him. She was often troubled with the state of our family, being the kind and caring woman she was, and she would sometimes try to stop our father from punishing us. She didn't hold any hatred or resentment toward heroes, and she seemed to be okay with the idea of becoming a hero. One day, my brother, Tenko, manifested his quirk, called Decay. Anything he touched with his five fingers would crack and turn to dust. Unfourtanetly, he lost control of it, and ended up killing almost everyone in the family, as well as destroying the house. That's the incident I thought he had had died in. He had only been five, and I was only two, maybe three. I had tried to go over and help him, but his Decay spread to me, causing a crack to spread from the top of my lips, and all the way up, diagonally, to the left side of my forehead, even splitting my left eye open. Luckily, I had been an early bloomer, and had gotten my quirk already. It was called Repair, and it allowed me to fix broken things. Like if a pencil snapped in half, I could touch it, use my quirk, and it's as if it was never broke in the first place. I can do the same with broken buildings, and cracked roads, as well as skin and bones. So, once Decay had cracked my face, I used Repair on myself to stop it. The action left me partially blind in my left eye, and it resulted in a cracked-shaped scar. After the incident, the police had been called, along with some paramedics. The police found me in the wreckage, and since then, I've been placed in foster homes.