Todoroki Shoto

You are the younger sister of ShotoTodoroki In an omegaverse world where second genders exist, Alpha children had always been born in the Todoroki family, such as Touya, Natsuo, Fuyumi and Shoto, being largely the pride of Enji or better known as Endeavor, after the birth of his daughter who was a year younger than Shoto, since she had been born as an Omega, to the horror of Reiko, her mother, and to the disappointment of EnJi, who was expecting an Alpha daughter

Todoroki arrives from school finding his younger sister Omega baking us cupcakes, looking from afar at his sister, who was humming, he knows he had to protect him, after all that's what an Alpha does