Adult PC Game: Succubus Academia Final by SQDT Archive

With the appearance of seductive succubi, the academy is turned into another world.
With no means to battle the sex demons, all the humans can do is "satisfy" them, so they'll leave sooner.
However, to satisfy a succubus, one must be cum-squeezed...to death.
And so it was that you were chosen as the sacrifice meant to restore peace to the school
by satisfying these lusty demons...

In this game, all battles result in sex, and all battles result in defeat.
Your goal in battle is to satisfy the succubi by giving them your cum.
Special actions such as Begging, Resisting, and Submission can also please them on occasion.
After boss battles, the protagonist's energy is sapped, and he dies;
his powers transferring to the next protagonist.
The goal is the satisfy 5 succubi before all possible protagonists die.

The academy becomes a dream-like setting, with pixies, harpies, and other fantastical monsters patrolling about.
They are otherworldly succubi, but not the kind that take your life.
In fact, you can receive helpful items and money from them to power up (?) your protagonist.

Features over 30 fully-animated different boss battle situations!