Junpei has dark grayish-black hair, gray-colored eyes and a goatee. He is often seen with both of his hands on his belt when idle, except while wielding a two-handed sword, which he holds with both hands much like how a batter in baseball would.

He's a 17 year old.

he wears the Gekkoukan school jacket and pants, but with a blue collared dress shirt, He wears the red brassard of SEES that all members wear on his left arm, a navy blue baseball cap with a white Triquetra symbol on the front.