The restaurant is named after the famous and talented Japanese chef from Hollywood, Keizo Okitasan. This reflects the restaurant's dedication to maintaining the authenticity and quality of its Asian cuisine, particularly its sushi offerings.

The restaurant has branches in İstinye, Kandilli, and Ulus in Istanbul. Each branch continues to welcome guests since their respective openings, offering them a taste of the best Asian cuisine in the city.

Apart from its restaurant operations, the sushi place also offers a Catering service. This allows customers to enjoy their delicious and creative sushi offerings at their own events or special occasions. The restaurant is also known for hosting musical events, especially on weekends, making it more than just a dining place but also a venue for fun and celebrations.

The restaurant offers a loyalty program where customers can earn points from their expenditures made in the restaurant or through their web/mobile applications. These points can then be used on their next visit, providing customers with more value for their money and encouraging repeat visits.