01 -
In a medium bowl, whisk together soy sauce, water, red wine or mirin, brown sugar, vinegar, garlic, ginger, and black pepper until well blended.
02 -
Add chicken pieces to the bowl and toss to coat. Cover and refrigerate for a minimum of 30 minutes to marinate.
03 -
Thread the marinated chicken evenly onto the soaked wooden skewers.
04 -
Preheat grill to medium-high heat. Grill skewers, turning occasionally and basting with remaining marinade, until chicken is fully cooked and lightly charred, about 10 to 12 minutes.
05 -
Transfer skewers to a serving platter and serve hot, offering extra marinade as a dipping sauce if desired.