Jijii  

Gramps, Tanabe, じじい

The story revolves around an elderly leader named Jijii who leads a small group of exiles with the goal of eliminating the notorious Anjou gang and maximizing profits. He has taken under his wing a young man he calls Ichi, whom he has given false memories that have caused him to become psychotic. In this way, Jijii has transformed Ichis cowardice into an ultimate weapon.