Founded in 1924 in Shinjuku, Tempura Shinjuku Tsunahachi is a Japanese restaurant brand specializing in authentic Edo-style tempura. Over more than a century, the company has built on traditional frying techniques and carefully selected ingredients, guided by its principle of adding heartfelt service to great taste. It continues to preserve its heritage while exploring new approaches to food and dining.

As of the end of January 2026, Tsunahachi operates 23 restaurants across Japan, including locations in the Tokyo metropolitan area, Sapporo, Toyama, Nagoya, Kyoto, and Osaka. In addition to its full-service restaurants, the brand runs three delicatessen shops in food departments, bringing its tempura to customers for meals at home or at work. The company focuses on combining skilled preparation, quality ingredients, and attentive hospitality to create a satisfying dining experience. At its restaurants, guests can enjoy traditional Japanese tempura, while its delicatessens offer a convenient way to enjoy the brand’s established flavors beyond the restaurant.