Chuuya, though undoubtedly intelligent and good at his job, is also someone who can be tricked/fooled into doing things. The power of suggestion and/or teasing can make Chuuya act without thinking things through. Chuuya showing his temperament on seeing Dazai. On the surface, Chuuya is a temperamental and rather arrogant, blunt man. He revels in fighting, happy to show off his combative ability, and taking great pride in his reputation as the mafia's strongest martial artist