Adult PC Game: Abyss Cave v2.00 by Saltyjustice Archive

Abyss Cave
Three sisters, Fresia, Zephyr, and Lupine are in debt for 1,000,000G after blowing up a rented alchemy shop. They need money - fast.
The guild has found a mysterious cave where only women may enter, and the monsters within have ingredients worth a fortune.
Go into the cave, delve its depths, fight its enemies. Don't trip up, or you may become a permanent addition to the cave's features...