Ratio operates an "Odd Jobs" business with Hamatora at Cafe Nowhere, sharing the workspace with Nice's detective agency and Honey's bodyguard service. His Minimum ability activates upon removing his glasses, letting him perceive "truth lines" that expose weak points or critical information about objects and situations. This power echoes his worldview that truth is frequently obscured, as he once stated: "Sometimes, I just think this world has surpassed its capacity... we cannot see the excess from the inside... Given that we are capable of acknowledging neither excess nor deprivation, we might as well not exist."