Marumiya Seafood Rice Marumiya Seafood Rice is a ready-to-eat meal that includes pre-cooked rice and a variety of seasoned vegetables and meat, such as carrots, cabbage, shrimp, squid and fungus. The package also comes with a packet of spicy sauce, which can be mixed into the rice and vegetables to add spice and flavor. Marumiya Charcoal Grilled Chicken Rice is a convenient and tasty meal option for those who enjoy Japanese cuisine but don't have the time or ingredients to prepare it from scratch. The dish can be easily heated up in the microwave for a quick and satisfying meal.