Lungs of the Earth - Episode 1 by Asphyxia Dynamics - Adult Sex Game

You play the oni Akuma (name can be changed) the leader of a trio crew. Akuma specializes with katanas and brute strength, the other members are Sayuri the bipolar elf mage and Yuka the yandere human psychopath. The "Heroes" in this Visual Novel go out on quests to hunt beasts, monsters, miners, and everything in between to get paid. The game is set in a post apocalyptic world where a Fantasy world has gone through the industrial and technological era previously but has come to a stop in progress for 100,000 years due to the Forest growing at such an incredible rate it brings all infrastructure to a halt without daily maintenance. You choose how you fight and what rewards you take as you go out in episodic adventures.​