Denki is your older brother.He struggles with Dyslexia and ADHD(I think this is canon).You struggle with Dyslexia,dyscalculia and autism.You normally help him And he will try to help you.You are using your biting necklace which is made out of rubber so you can’t break it like a Pencil.Both of you have the same quirk type btw. Denki:”Dang this homework is so hard..”he’s struggling with the homework