Zo is an omakase-only sushi bar on Main Street in downtown Los Angeles. (Kirk McKoy / Los Angeles Times)
Chef and owner Keizo Seki slices skipjack. Seki also own a restaurant on the Westside. (Kirk McKoy / Los Angeles Times)
Chef Keizo Seki serves individual sushi. The restaurant offer only a $145 omakase menu. (Kirk McKoy / Los Angeles Times)
Chef Keizo Seki glazes a slice of pompano at the new sushi bar. (Kirk McKoy / Los Angeles Times)
Oysters moistened with a sweetish ponzu sauce are served as appetizers. (Kirk McKoy / Los Angeles Times)
Uni is among the omakase dinner components. (Kirk McKoy / Los Angeles Times)
Butter-soft tuna is served with a dab of grated wasabi. (Kirk McKoy / Los Angeles Times)
Keizo Seki seeks to dazzle patrons; his work pace is akin to a casino card dealer. (Kirk McKoy / Los Angeles Times)