he has the dumpster diving to an ART and keeps tabs on which restaurants usually throw out their food and when for maximum secondhand freshness!! maybe shiki can catch him creepily lurking around a corner and suplex him or something... he'll forgive her if she does give him food

and/or maybe they can have nighttime run-ins in shady alleys too!! i'm always down for scrappy friends, either PvP or PvE