Advice:
Consider buying the Deep Forest map first. Then you can explore the deep forest when Sandy and Wendy are looking to get you and find potions that way. I actually think this way of playing is more optimal than what most other people suggest. You can start working on Lisa sooner to try to ...

I think this is the 3rd release that I'm playing, but I still cannot get past the Sandy and Wendy stage. I've learned to take a slower approach, never enter combat without having full HP and 0 Lust. It seems to me that in the evening (18:00+) there is a higher chance to find a lab. So when I finally ...