A day in the library

Just went to the library yesterday and when I was using the toilet I saw this big black hunky guy going in. I was so turned on I waited for him to finish and then knocked on toilet door and asked him if I could suck his cock. He said yes and I sucked on that thing for like 30 mins. He then pressed me against the wall a and fucked by ass roughly and left hot spunk down my mouth. Yummy!!