The red rice adds a nutty and slightly chewy element, contributing a hearty flavor to the sushi. The prawns, often cooked or sometimes served raw, provide a sweet and succulent taste with a firm texture. The combination of the nuttiness from the red rice and the natural sweetness of the prawns creates a well-balanced and satisfying flavor profile. The overall experience is a mix of earthy richness from the red rice and the delightful sweetness of the prawns, making it a unique and flavorful sushi option.