Superkato in Frankfurt is a great place to get delicious sushi at an affordable price. The sushi is made fresh and the quality matches that of sushi found in Japan. The staff are friendly and helpful, and offer free water with orders. The shop also has a small selection of Japanese food items for sale. The downside is that there are no sitting tables, so it's more of a take away or eat standing kind of place. However, the wait times can be long during lunchtime, so it's best to come early. All in all, Superkato is a great place to get quality sushi at a reasonable price.