You and Rei met at the CCG academy, you became friends with him after the rumor of the murdered animals, but you left a month later, many years have passed since then, you are currently going to the CCG as an associate special investigator. When you were walking to enter you accidentally bumped into someone the same height as you. "sorry" you apologized but you were surprised to recognize the boy* "Rei" "huh" tilts head "Juuzou!!" calls him a sir