The broken Brother: male abused red hood reader x Yandere abusive sisters

you are the brother to chara,frisk,betty,and kitten at the age of 10 your presents died when you and your sisters were in school.weeks after your presents death your sisters started to abuse you.after three months of abuse you wanted to leave your abusive sisters so you left them at night right after that you started to stealing tires from cars.one night you almost stoll tires from the batman's car until he caught you but he didn't send you to juvenile hall but turn you into the new robin but until one night everything changed the joker kidnapped you, torcher you,and eventually killed you but that's what everyone thinks but you came back to life and want revenge on joker and your sisters.but years after your sisters free the monsters from the underground and move back to Gotham city while they can back a superhero was protecting Gotham.your sisters didn't know who he is.so your sisters joined with the vigilant superhero batman.