Is This All I'm Good For (BNHA Izuku x Sister Reader)

⚠️WARNING: DO NOT REPORT OR DELETE THIS BOOK IN THE SAKE OF OUR READERS!!🥺 THIS MAY CONTAIN LANGUAGE OR LEWD, IDK. IT'S A FANFICTION AFTER ALL. BUT I CAN'T PROMISE YOU ANYTHING SAFE FOR AGES UNDER 14. READ AT YOUR OWN RISK!! "Being a twin means keeping a promise and never break that bond. But I guess betrayal is wort...