Imp Village v1.0 by Mochi&Daifuku - Adult Sex Game

In a rural village called Nagira Village, a disappearance incident occurred when people who went out to collect ore never returned.
Ishia, a magic teacher who teaches the protagonist and his childhood friend Nami, is asked by the villagers to investigate the incident, but she never returned.
After much deliberation, the two decide to go looking for Ishia, However, when they follow Ishia into a cave, they find themselves in a village they've never seen before​