Combine chicken, 2 tablespoons soy sauce, rice wine, 1 tablespoon honey, 1 tablespoon sugar, and black pepper in a large bowl. Marinate in the refrigerator for 30 minutes.
Combine Asian pear, onion, jalapeno peppers, red pepper flakes, 2 tablespoons soy sauce, 1 tablespoon honey, 1 tablespoon sugar, sesame oil, garlic, and mustard in a blender; puree into a smooth sauce.
Heat olive oil in a large skillet over medium heat. Add chicken; cook until browned, about 5 minutes. Increase heat to medium-high; pour in sauce. Cook until flavors combine, 3 to 4 minutes. Garnish with green onion and sesame seeds.