How to make Chicken teriyaki from isekai shokudou

I made 'Chicken Teriyaki' of '1 Restaurant of this world restaurant'.
ingredients
Chicken breast (1 piece), milk (1 cup), salt, pepper, starch powder, cabbage (slightly), tomato (2 pieces)
Sauce: Soy sauce (2 tablespoons), sugar (2 tablespoons), sake (4 tablespoons), pepper (slightly), chopped garlic (0.5 tablespoons), chopped ginger (0.5 tablespoons)
recipe
1. Immerse chicken breast in milk for 30 minutes.
2. Wash the chicken breast with water and wipe it with a kitchen towel.
(Push the chicken breast with a pusher or put a hole in the fork.)
3. Sprinkle some salt and pepper on the chicken breast and dress with starch powder.
4. Make sauce by mixing soy sauce (2 spoons), sugar (2 spoons), sake (4 spoons), pepper (slightly), chopped garlic (0.5 spoon) and chopped ginger (0.5 spoon).
5. Fry the pan and boil the chicken breast.
6. Add some sauce and boil it.
7. Chicken Teriyaki is cut into pieces and put on a plate with vegetables.
Inquiries: [e-mail]