Adult PC Game: Rhode's Fortress Final by ScaleGarden Archive

You play as Rhode, a princess stationed in a fort. As you progress in the story, she gets more and more corrupted. It's pretty straightforward and I remember a lot of people disliking it in comparison to earlier Scale Garden games, but I actually liked it. As always in their games the Battle System is non-standard and breathes some fresh air into the bland rpgmaker battles.​

Rhode's Fortress Final by ScaleGarden Gameplay Preview