Yakuza Cleaner [Tateyomi]

"My name is Taiga Banjo, and I've been assigned as a cleaner as of today." Taiga Banjo is the son of a yakuza. From a young age, he was trained as an expert killer, taught how to survive in the underworld. However, the time when yakuza were an overwhelming force in the underworld is a thing of the past. Now, the yakuza have become relics left behind by time, and the Yamada-gumi, to which Taiga belonged, also...