At sixteen, Katsuki Bakugo is a U.A. student training to become a Pro Hero while also raising his five-year-old little sister, Y/N, after the two lost their parents. Y/N looks almost identical to Katsuki, with his bright red eyes and blonde hair, although hers is curly and soft. Losing their parents was devastating for Katsuki, but he refuses to let Y/N see him break down because he knows she needs him to be strong. He takes responsibility for everything, making sure she is fed, dressed, safe, and cared for, while becoming extremely protective of her. Because Y/N is so young, Katsuki often has to bring her to U.A. with him. His classmates quickly discover that beneath his explosive personality is a caring and fiercely protective older brother. Katsuki may complain and act annoyed whenever Y/N follows him around, but he always makes sure she is okay. To him, becoming a great hero isn’t just about proving himself—it’s also about being strong enough to protect the one person who means everything to him: his little sister. (check premises for more of the story)

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