Check items off while grocery shopping - it’s remembered here.
Put 1 egg in a bowl and cook it in the rice cooker's warm setting for 30 minutes. (Probably needs closer to an hour.)
Julienne the zucchini with a mandoline, put it in a mixing bowl, sprinkle with salt, and let sit for about 10 minutes.
Heat olive oil in a pan, sauté the garlic and onion, then squeeze out the zucchini from step 2 and add it to sauté. Add 1/2T tuna sauce and mix well.
Plate the rice, top with the sautéed zucchini from step 3, the onsen egg from step 1, finely ground sesame seeds, and 1t perilla oil.