Cut shishito peppers and pork into bite-sized pieces.
Slice the onion and garlic as well.
Heat cooking oil in a pan and sauté garlic until fragrant.
Add the pork and stir-fry.
When the pork is halfway cooked, add onion and shishito peppers and continue to stir-fry.
Season with soy sauce, pepper, etc.
Once all ingredients are cooked, transfer to a serving plate.