natsume souseki (bungou stray dogs)
A Bungou Stray Dogs character, based off the real-life novelist Kinnousuke Natsume/Souseki Natsume (1867-1916).
He is portrayed with short brown hair that covers his right eye, brown eyes, and a mustache. As a callback to his novel I Am A Cat, he is also portrayed as a cat with brown fur.