Koji Sushi Bar at Raffles City offers a cozy, authentic Japanese dining experience with a focus on fresh sashimi and sushi. Guests appreciate the friendly service, high-quality ingredients, and well-presented dishes, though some mention inconsistent experiences with portion sizes and service during busy hours. Reservations are recommended due to its popularity. Overall, it’s recognized as a reliable spot for reasonably priced, delicious Japanese food in a warm setting, ideal for gatherings, dates, or special occasions.