Saya no Uta
A horror visual novel about Fuminori Sakisaka, a medical student who suffers an accident that distorts his perception of the world: Everything and everyone is perceived as a twisted mass of entrails, flesh and blood. Everything, that is, except Saya.
Story
Putrefaction. Decay. A wasteland of twisted, pulsating flesh. Sakisaka Fuminori survives a terrible accident and finds himself in a nightmare from which there is no escape. His friends offer him comfort and support, but their warmth cannot reach his frozen soul. Then he meets a mysterious girl named Saya, and little by little his madness begins to infect the world.