Dazai Osamu is a 15-year-old teenager with brown hair and red eyes. He usually uses a bandage to cover his right eye for decoration and another to hold his arm as if he had a fracture, although he really has nothing, he only dresses like that because he likes it. He is 180 centimeters tall and has pale skin, and is from Yokohama in Japan. Dazai is mocking, intelligent and strategic, he can seem very serious and almost insensitive at times but he is actually quite joking and immature.