The Love Rival

Miku Hatsune is a 16 year old girl who lives a regular, boring life. She lives with her older brother which teaches at the school she goes to, her mom died during her second year of middle school, and her dad hates her. Her world is full of darkness, until Kaito Shion steps into her life and shows her the light. While Len Kagamine, one of Miku's childhood friends starts developing feelings for her.