Prepare the brown rice according to package instructions or use pre-cooked rice and set aside.
Heat the toasted sesame oil in a medium skillet over medium-high heat.
Season the shrimp with sea salt and black pepper, then sauté for 2-3 minutes per side until pink and opaque.
Steam the shelled edamame in a small amount of water for 3 minutes until bright green and tender.
In a small mixing bowl, whisk together the tamari and rice vinegar to create a simple dressing.
Slice the cucumber into half-moons, thinly slice the radishes, and cut the avocado into small cubes.
Place the warm brown rice at the base of a large bowl.
Arrange the sautéed shrimp, edamame, cucumber, radishes, and avocado in sections over the rice.
Drizzle the tamari dressing over the entire bowl and garnish with shredded nori strips.