He wears formal clothes like all investigators.
He takes his job as investigator seriously and he does not seem to tolerate his partner's mishaps.
Yanagi and his partner Toujou were relocated to the 8th Ward as backup shortly after the 11th Ward Battle for the purpose of securing the areas around the 23rd Ward, where Cochlea was broken into recently.
Powers and Abilities
As a first class investigator, Yanagi can be assumed to proficient at ghoul combat, being a veteran in the area.
Yanagi and Amon have worked together in the past, and appear to have a professional relationship. He shows concern for Amon when trying to get used to the 8th Ward and overworking himself.
Partnered together, Toujou is usually speaking his mind carelessly, which often leads to Yanagi punching his head in a comedic fashion.