Is Light Pink Urine And Stinging Pain After Masturbation Due To Kidney Stones Or Something Else?

Passing light pink urine which is actually very light pink in color….this happened after i masturabated but not immediately on the very next day in the morning i saw the color change in my urine and some sort of pinching or stinging in the lower area of penis where the nerve is located what to do is it kidney stone or something or it happened because of masturbation