Slice cabbage thinly and soak it in cold water to prevent it from withering.
Boil an egg and slice it into a round shape.

Remove seeds, cut them thinly and soak them in salt.
After 5 minutes of marinating, wash it in cold water and remove the saltiness.

Chop the onions and mix them with the drained cabbage.

and toss the bread.
It'll taste better if I toss it with butter, right?

Stir-fry onions and cabbages lightly in oil with salt and pepper seasonings.

When the chicken is almost cooked, add teriyaki sauce at the end and boil it down.
If you add teriyaki sauce early, the sauce might burn
When the chicken is cooked, it's better to put it in at the end and boil it down.

Place mayonnaise, eggs, and pickled cucumbers on top of tossed bread.

Place chicken, stir-fried onion and cabbage on top.
Cover the bread.

If there are many contents inside, it's better to fix it with a toothpick and cut it.
If you don't have a toothpick, you can wrap it and cut it^^
It's done