Lala and the Bizarre Dungeon ^Final

Ciela Lanciel (nickname: Lala), a student attending a knight's academy
meets with an accident while in a cave for a practical test,
and gets lost in a vast dungeon deep underground.
There, countless traps await her...
SpoilerA 2D action RPG that can be controlled using only the mouse.
Control Ciela, a trainee knight, fighting monsters as you
proceed through a strange dungeon.
As the story progresses, our heroine meets
with a variety of obscene incidents.

Game is avaialble for Windows