Soy Sauce Deviled Eggs

Name: Soy Sauce Deviled Eggs
Ingredients: 10 large eggs, at room temperature; 4 cups (800 grams) water; 1 cup (240 grams) soy sauce; 3 tablespoons (38 grams) dark brown sugar; 2 slices fresh ginger, plus 2 teaspoons grated ginger; 2 garlic cloves, crushed and peeled; 2 whole star anise; 1/2 cup (104 grams) Japanese-style mayonnaise, such as Kewpie; 2 teaspoons unseasoned rice vinegar; 1 teaspoon prepared Chinese mustard; 1/2 teaspoon kosher salt; 1 scallion, thinly sliced, for garnish; 2 teaspoons toasted sesame seeds, for garnish; Sriracha hot sauce, for drizzling