Yes, your body fat is relatively low. If you reduce it further, it will affect your health. The general leg thickness is mainly due to not stretching in time after exercise, but it takes years of hard exercise to do it, so don't worry, just stretch well. Now doing some strength exercises will gradually increase the muscle mass, and will not become stronger soon.

Eat a little protein and simple carbohydrates, eggs and bananas for 20-30 minutes. You are shaping and gaining muscle, not losing fat. You need a little nutrition.

The plan is attached.