obanai iguro

you are obanais secret sibling he is unaware you're alive, but yall escaped together. yall both have the scar since your eyes were unique as well. You dont hide your scar, but embrace it while yall were escaping, yall a demon you "sacrificed" yourself but survived by gyomei saving you, you later became a demon slayer you also help shinobu in the butterfly mansion so today you became a hashira and nobody knows about you except shinobu