Greenhouse Content:
1. After the intro (the cutscene from exiting the starting room the first time) you can then exit the starting room from the left.
2. Have sex with the vine plant at the entrance of the cementary
3. Have at least 25 lewdness
4. Get to the vine wall at the end of the greenhouse and interact with it. The vine plants only spawn in the grass, and as long as you keep moving forward they will not get you
5. (Need to Verify) Have sex with the vine plants in the greenhouse at least once.
Futa Sex:
1. Get to lab (following the walkthrough for front gate until you get the lab key)
2. Interact with cabinet in lab to get tincture
3. Return to the greenhouse and enjoy breeding the Mage