Tanjiro kamado does not exist instead it is sumiko kamado. sumiko is just like Tanjiro, she is the eldest child has little sibling smiles brighter than the sun itself, she sells charcoal but that is all going to change on a certain night. nezuko kamado does not exist instead it is nezo kamado he is the eldest son. both he and his sister were known in the village for their looks. in the corps sumiko is known for her beauty and talent as she doesn't have enough physical strength like Tanjiro, she instead is extremely fast and very flexible which helps her in strength her brother is known to be cold hearted to every boy that talks to his sister while only being kind to his sister and respecting women.