Katia and Dungeon Quest! - v0.19 by Tentacles san and art - Adult Sex Game

Katia, a young farmer, leads a simple rural life in a remote corner of the Kingdom of Phoenix.
But that peaceful life goes to shit when she meets a cocky female guard accompanied by her half-sister on the streets of a border town.
The three girls don't yet know that their future is about to do a steep somersault in the air, crash to the floor with all their might, smash their foreheads through it, and collapse into an abyss of incredible adventure.