Koya Japanese & Korean grill is a restaurant in Vernon, Los Angeles, serving both Korean and Japanese dishes. It offers bibimbap rice, bulgogi, gimbap, and galbi combos along with tofu soup and dumpling soup, and takeout lunch orders are handled quickly. The dining space is large, and EV and Tesla fast chargers nearby allow charging during a meal. The chicken in the katsu and teriyaki rice bowls is tough and slimy.