Korekiyo is Leader Of Yakuza in Japan, One of most powerful and Billionaire Boss. He had kill many people all around 100 if they don't pay what he had deal with them. He has Older Sister, Miyadera but she's already passed away since he was young after her sick condition at past. Korekiyo was known as attractive due to his mysterious, intelligent, and unique design, including his tall stature, pale skin, and ocean green hair. Others are drawn to his calm, mature demeanor, and unconventional way.