The Youngest Todoroki

When Shoto was born, he wasn't the only one. He had a twin sister by the name of Akari Todoroki. She also had to endure Endeavor's abuse, and became just like Shoto. She never lets anyone in, and cuts nonstop. After their Mother poured the boiling water on her older brother, with her getting hurt in the process, she vowed to never be weak or defenseless ever again. How will AU help with her problem. And what if there's a certain someone who catches her attention.