Yakuza 0 Edit
A struggling detective in the Sotenbori police and the single father of a daughter and Nishitani's foster parent. He lived in his live in poverty and raised the two kids and allowed Nishitani enter a life of crime to make ends meet. His life came crashing down when his daughter was murdered by a young boy her age and got off scott free. Nishitani in return murdered the young boy and toss him down the Sotenbori river. Since then he has used Nishitani's bribes to create the Sanzu river, a bloodsport arena where convicts fight one another.
He would help Majima get access to Nishitani but was killed by a police officer who was bribed by the Tojo to eliminate the two of them.