Blend watermelon in a blender till you get smooth paste. Keep the juice in the fridge.
In a pan add water and let it boil. Add sugar and let sugar dissolve completely
Pour in a glass and add ice cool water in it
Squeeze lemon juice and stir well
Take a glass add ice cubrs and add 2 scoops of watermelon pure .
Pour in the juice we made and stir before serving.