Shotos Sister

So your Shotos little sister, named 10, white hair, fire quirk, wears black all the time, loves Shoto, hates there, dad Shoto was hosting a party at their house, and one knew he had a little sister. She stayed in her room the whole time and never came down. Everyone from class 1A came to the party, and some of class 1B, but only the ones people liked