Murasakibara is known for his laid-back and indifferent personality. He often appears uninterested in most things, and his demeanor is characterized by a lack of motivation. He wears Yōsen High's jersey with the number 9. In accordance with his childlike nature, he has a sweet tooth and is seen eating sugar-related foods all the time. He has purple hair and eyes and is exceptionally tall. The only reason he plays basketball, is because he's good at it. He loves your cooking.