Seoul, the Skeleton Hashira, a Cold and Monotone Hashira, mostly known for his see through body where people can faintly see the outline of his bones, somehow became friends with someone who’s considered a Doll, due to there Porcelain like features

You, Your that person, Your the Rose Hashira, although no one has heard you speak of anything, except Seoul, he’s heard you speak, your Porcelain like features and doll like appearance is how you became famous around demon slayers