Cut the chicken tenderloin into bite-sized pieces.
Season the chicken with salt and pepper.
Heat olive oil in a pan and cook the chicken until done.
Slice cucumber, avocado, cherry tomatoes, and red onion into bite-size pieces.
Place rice in a bowl.
Top the rice with the prepared vegetables and chicken.
Make a sauce with soy sauce, sesame oil, and lemon juice.
Drizzle the sauce evenly over everything.
Sprinkle seaweed flakes and sesame seeds to finish.