In a small bowl, whisk together the soy sauce, citrus juice, and rice vinegar.
Add the mirin or honey, whisking until it dissolves.
Taste and adjust sweetness as needed.
Stir in the toasted sesame oil, garlic, and ginger.
Add water 1 teaspoon at a time to mellow the saltiness until it tastes balanced with your air-fried dish.
If using, mix in scallions, bonito flakes, and/or red pepper flakes or chili oil.
Let the sauce rest for 5–10 minutes so the flavors meld. If you added bonito flakes, strain before serving for a smoother texture.
Garnish with sesame seeds and extra scallions. Serve alongside your favorite air-fried bites.