Toyosu sushi refers to sushi made with ingredients sourced from the Toyosu Fish Market, a large, world-renowned wholesale seafood market in Tokyo. The term emphasizes the use of high-quality, unique, and fresh seafood available at this market. It signifies that the fish used in the sushi is fresh and of superior quality, as it comes from one of the world's largest and most important fish markets. Restaurants using the term "Toyosu" on their menu are likely offering a selection of specialty fish for the day, selected from the market's wide variety. The phrase is often used to describe high-end omakase experiences where the best and highest-quality seafood is brought to Tokyo, ensuring the freshest and most flavorful ingredients.