Heat 2 tablespoons olive oil over medium heat.
Combine flour, red pepper, and onion powder in a large ziplock bag and shake then add chicken pieces. Shake bag to coat everything well. Carefully place coated chicken pieces in skillet to start to brown.
Meanwhile, combine honey, rice vinegar, minced garlic, and Kikkoman Soy Sauce in a small dish then whisk to combine well; set aside.
After 5 minutes, flip chicken and brown the other side. Once chicken has a nice brown on both sides, add sauce mix and reduce heat to low.
Allow to heat for about 10 minutes, flipping once.
Meanwhile, make rice according to package directions.
After 10 minutes, turn stove top off and allow chicken to sit for at least 5 minutes. Sprinkle with sesame seeds then chop up green onions and place over the top. Serve with rice.