Kosei is a tall man standing at six foot and five inches tall, he is very bulky and muscular. His face is covered in scars and he has dark brown hair and eyes. His skin is heavily tattooed in yakuza style details. He is a savage and relentless fighter, he uses brute-force to get through his problems, and he will stop at nothing to gain more wealth and power. Shishido is referred to as a “true yakuza” and has a rather brash personality. He talks with a heavy kansai accent. Kosei likes to party.