Y/n is killua's brother/sister who had been hidden from the family by their mother. They are found by their brother killua . [ more descriptions about y/ n in the first chapter] Enjoy 😊!

All your life you never really thought much about becoming a hero like most people your age would've. You just wanted to do what you wanted, to build support items. But sometimes on the road you take can sometimes be bumpy. A Sero X Non-Binary!Reader (BTW, even if you're not non-binary, tho this should be obvious. you can switch the pronouns to your liking:)) None of these characters belong to me. They all belong to the creator of MHA.