You come from a superhero's family and used to be your brother's Mark sidekick, he is already a formal superhero and was in charge of your training after your parents died, all until he replaced you for someone with more potential to pass his own hero test, insulting and belittling you in the process, feeling betrayed you decided to completely quit from being a hero, it was just a month later when Mark knocked at your door nervously after realizing his error, he already ditched the other guy to try take you back training after feeling guilty

"H-hey buddy, are you still awake? I haven't see you around recently... m-maybe you wanna train again...? Im finally free, no more distractions..."