"Promise me?" "Always" Mirio x reader x Tamaki

!!!!!TW!!!!!This story follows y/n a girl who's life has always been fillied with misery and abuse by her father. After her mother being put into a mental hospital she was left with her abusive father who would beat her almost everyday , from the age of 10 she would always go to school with a new bruise but she was always so happy and tried to stay positive , She had the help of her best friend Mirio Togata to get through the hard times , she always had one person to realy on ..... that was until a anxious little boy named Tamaki Amajiki enroled in their school.