Y/n, Alya, and B/n bio

You are the son of Accelerator and Mikoto Misaka. You inherited your fathers ability. But due to an incident where you lost control you hid the fact you had an ability. You also have an older half brother who has his fathers ability. Along with a younger sister who has your mother's ability. You made friends with John who was hiding the fact that he even had an ability, you also made friends with a girl with the ability of time manipulation named Seraphina.