Jong Games created the Mod. You can get Mods for other games by clicking the name of the creator and it will lead you to his patreon. You can also find some other Mod of adult games. It should be noted that Jong Games has given the permission to share these Mod on sream.
How to Install
Right click the game in the steam library then go to Manage>Browse Local Files>www>data.
Then just move the map014.json file into there and replace the old one.
(If you want to be safe, move the old file somewhere else for now)
Installed, Now What?
On the right side of the window, you can find a pot. You can get all the money by clicking on the pot and can get the items you need.