Volleyball (Keishin Ukai×Tenna Udai×Reader)

Y/N L/N was born a girl. What happened? Well her parent's never wanted a girl. She was a girl throughout all her year's. But what was the price? She got beat by her parent's everyday. To make it worse she was going to have a kid at 13. Why? It just happened. She was lucky it was a boy. She turned herself into a boy for highschool. She knows she's not a boy. She doesn't fell like a boy. She's only doing it because she hated being a girl. If she was a boy none of this would have happened. Her kid still calls her mom though. For high school he was going to go to Karasuno. He was going to do Volleyball. He loved it. But what will happen when he meets his coach, and his idol?