Ben was a college student living in a dormitory. He was in the habit of leaving his clothes in his room and just making his way to the shower with a towel wrapped around his waist. There was an area in the shower area where the students could keep a few hygiene products so other than the towel, Ben had absolutely nothing with him.
When he got to the room, he found one of the other students had left his towel on the rack. None of the students were supposed to do that because there was no laundry service but from time to time, students would still find abandoned towels. Ben grabbed the abandoned towel and threw it in the trash before putting his own towel on the rack and stepping into the shower.
Soon he had a good lather of shampoo in his hair. He kept his eyes closed to keep the shampoo out. The only thing Ben noticed was that, instead of a steady stream of water, the water seemed to become more like a strobe light effect. It still felt like water but it was like being splashed by an entire swimming pool, then no water at all, then another swimming pool. It was weird but Ben thought there was something wrong with the shower head.
Before Ben opened his eyes though, he fell off a small cliff. It was a short fall so Ben wasn't injured but he opened his eyes and looked around to see where the cliff suddenly came from. That's when he realized that he was actually in the shower drain on that metal part that crosses the giant hole beneath him. He did not want to fall down that hole.
Before he could climb out, another guy came in. Ben could not tell who it was but he immediately threw Ben's towel away just like Ben had thrown that other towel away.
The guy readjusted the water and got in. Soon, Ben was looking up at a giant cock dangling many feet above him. Then the cock let loose a stream of piss. No one was supposed to pee in the shower. Ben grabbed hold of what he could and held on tight to keep from being washed down the drain.