"Located across from Barcelona Wine Bar at the Ironworks complex on Howell Mill Road, O-Ku features a covered rooftop patio offering al fresco sushi and cocktails. Happy hour takes place Monday through Thursday, from 5 to 6:30 p.m., with small plates like rock shrimp tempura, dumplings, and half-priced sushi rolls paired with drinks." - Eater Staff, Henna Bakshi