Lost Agent of the Shinigami Arc
He appears first alongside Riruka. He is currently one of Ichigo's trainers. He work as a bartender for the XCution group. After a confrontation with Ichigo, Zaraki Kenpachi effortlessy kills him.
Giriko is a fullbringer. His power consist in the ability to set "timers" on things. These timers are linked to specific conditions that Giriko himself can set, but once the time period is established, however, not even Giriko can deactivate it. Whatever steps outside the time limit he has placed on it will be burnt in the 'flames of time.' His Fullbring is called "Time Tells No Lies", and it takes the form of a pocket watch.