In the aftermath of a disaster, the protagonists are brought into a hospital involved in enigmatic research. Despite surviving the ordeal, they are now faced with deranged transformations; they must escape from the hospital which threatens to erode their minds and bodies.
Evil Spirit Parasitism is a 2D side-scrolling action game, where your survival relies on utilizing various items at hand. Listen keenly to avoid monsters, conceal your tracks, or bravely fight with the available weapons.
As you encounter diverse mysteries within the hospital, you must seek the truth behind the events and find a way to escape.
The game employs fully dynamic CG production, featuring character illustrations and a variety of erotic or obscene events as content. With increasing experience, more events and dialog will unlock.