Defeated heroines are sent to the slave processing center for breaking and reeducation. Their sleeping quarters here are specially designed to provide no rest and constant simulation, even when not being actively trained. (Saneperson)
The urinal was installed only half public facing. But it was a bad part of town, and vandals got through the locked maintenance door next to the urinals, giving them free access to use and vandalise it from both sides of the wall while it was helpless. A