Devil's Drink

The local bar.

Drinking here
You can drink here for $7. It gives you the Tipsy status effect. You can continue drinking past that, which wouldn't give any further bonuses, and would eventually result in Lust Doll going Drunk.

The secret arena
Once the All-knowing hobo tells you about the arena, you can approach the barman and tell him the code phrase. If done correctly, he would allow you to go through the back room, accessing the underground arena.

Once you talk to the organizer, you can access the arena at any time. You would always face one of the following enemies:
 * Highwayman
 * Bandit Girl
 * Wildcat
 * Lin Lin

They never drop any loot, and have no post-defeat scenes; the only enemy to have post-victory scene is Lin-Lin, if defeated through lust.

You receive $100 for each enemy defeated (including Lin Lin). There's no daily limit on battles, and you can't be reduced below 1 point of stamina, so if you can defeat your enemies before they defeat you, you can continue fighting indefinitely.

There's no penalty for losing a fight, but if Lust Doll gets defeated with high arousal, they would be forced to publicly masturbate.