Wash rice 3-4 times and drain thoroughly
Pour water up to the water line of the rice cooker. Place piece of kombu on top of the rice
Cook rice in a rice cooker
While rice is cooking, prepare ingredients
Cut sashimi into smaller bite-size pieces
Prepare and cut vegetables in bite-size pieces
To make creamy scallop, combine scallops, mayo, and tobiko eggs in a bowl. Mix thoroughly
Once rice is done, remove kombu and transfer rice in a separate bowl. Mix until it is slightly cooler
In a smaller bowl, mix rice vinegar, sugar, and salt thoroughly. Heat in the microwave for 1 minute and mix until sugar and salt are completely mixed.
Slowly pour vinegar mixture over rice in small increments. Make sure to mix in between to combine
Fan the rice while mixing to help it cool down
Sushi rice is done once rice vinegar is fully incorporated and rice is cool to touch