Unlike many games in the genre that prioritize "fanservice" over plot, The Knight of Icicles leans heavily into a "defeat-based" narrative. The tension arises from Kiara’s vulnerability; despite her prowess with ice magic and her blade, the enemies she faces are relentless. The story focuses on her struggle to maintain her dignity and mission while facing overwhelming odds—a theme that resonates deeply with fans of dark fantasy.

The game follows Kiara, a noble and powerful knight known as the "Knight of Icicles." Set in a world gripped by both physical cold and supernatural corruption, Kiara is tasked with defending her realm against an onslaught of monstrous entities.

The game features a "Game Over" system where losing a battle leads to specific animated sequences and CG unlocks. This adds a layer of "risk vs. reward" to the combat.