Add boneless skinless chicken thighs to slow cooker
Add soy sauce, dark soy sauce, honey, mirin, ginger paste, and garlic paste to the slow cooker
Cook on high for 4-5 hours or on low for 5+ hours until chicken is cooked through
Mix cornstarch and cold water in a small bowl to create a slurry
Add cornstarch slurry to the slow cooker after chicken is done and let sit uncovered for 15-20 minutes to thicken sauce
Cook rice separately according to package directions
Mix cooked rice directly with the chicken and sauce in the slow cooker
Prepare low-cal yum yum sauce by mixing together low-fat mayo, greek yogurt, sriracha, salt, pepper, and garlic powder in a bowl
Add milk as needed to reach desired consistency
Portion into 8 servings and top with chopped green onions
Serve and enjoy, or store portions frozen for later reheating
