:YAKUZA MAFIA AKA ヤクザ or やくざ:

Yakuza aka Gokudo are the Japanese mafia and are responsible for most of the organised crime within Japan. Theres various levels of the Yakuza varying from Gamblers, peddlers, and deliverers. There are also Yakuza women. They're more commonly known for their rituals and tattoos. A gang not to be fucked with basically. 

Yubitsume, or the cutting of one's finger, is a form of penance or apology. Upon a first offence, the transgressor must cut off the tip of his left little finger and hand the severed portion to his boss. Sometimes an underboss may do this in penance to the oyabun if he wants to spare a member of his own gang from further retaliation. Here are some more recent images of the contemporary lifestyle of the Yakua. It's all bitches and dollar bills yo...and some cutting of fingers...