Sushi Kkot Pida is a small neighborhood sushi restaurant in Seoul that serves fusion sushi, adding sauces and garnishes to standard sushi. Its signature dish is gaji sushi, and it reinterprets standard sushi with sauces and garnishes. The restaurant has only five tables, so call ahead to check for a seat before visiting, and you can watch the cooking in the open kitchen. The vinegar in the shari has a strong sour taste.