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)
When Princess Mia stepped up as a defender of the jungle, she accepted that with every defeat she'll be brutally raped by human and monster enemies. What she didn't see coming was the jungle denizens not understanding the concept of the defender.