Izuku: an elemental adventure mha fanfic

So izuku is an orphan, Eri is his little sister, he has a quirk where he has wings on his back that, when his quirk is active, the feathers that make up the wing each, turn into a different element from the periodic table,He also has a pet kitten that has a quirk,(the kittens quirk is the same, except instead of the periodic table it's the Greek elements of fire and stuff, and instead of feathers the kitten has nine tails so fire,earth,water,air,lightning,fairy,light,darkness,and life.