An alternative world where men grow out of the earth like plants.
Their muscles and joints are petrified and they have no brain activity exactly like plants.
Only the soft parts of their bodies are active.
Their balls grow full of cum the same as cacti ? retain water.
Their dicks, usually floppy can become erect when stimulated and can be milked for their semen which forms the food staple in this world.
Throughout history, women have learned to live off men’s semen.
In the middle ages each princess used to have a private garden of men.
When the princess walks through her garden all cocks spontaneously erect and princesses compete by the amount of cocks they can get hard purely by their presence.
This led to significant power struggles.
Commoners have to work to keep their cock garden constantly aroused. This long slow process ensures the best quality semen is produced.
The princess has the power to keep her garden constantly aroused just with her presence in the castle.