Wash peppers and dry with paper towel well, then cut them in half vertically, and take off the seeds and calyx.

Cut peppers into about 1cm (half an inch) strips, and put them into a microwaveable bowl.
*You can cut peppers into either vertically or horizontally.

Put Katsuobushi and canned Tuna into the bowl with the peppers, and toss, then cover it with plastic wrap.
*Put the oil in the canned Tuna as well.

Heat the bowl in the microwave (600W) for 3 minutes.

Add Soy Sauce and Sesame Oil to the bowl, and toss well, then cover the plastics wrap again, and let it sit for 3 minutes.

Serve! You can sprinkle some sesame as well.