He is a student who rarely attends Gekkoukan High School and a founding member of the Specialized Extracurricular Execution Squad.. He has unkempt brown hair, worn perpetually under a beanie, and steel-colored eyes, and is tall. A reliable and serious character whose cold exterior masks his weaker, gentler self, Shinjiro's difficult past weighs him down, causing him to constantly push others away with a tough-guy act. Has a "shifty" look about him.