Remegeton (レメゲトン)/guide

Bus Station
Enter the Lamppost World. Go south-east and enter the black building to the Classrooms. Go right until you reach the hallway blocked by tables. Enter the door and interact with the corpse.

In the Blood Spatter World, go north-east and interact with the bus sign.

Fruit Cake
Enter the Fruit World. Go straight down from the door. Interact with the large fruit cake.

Parasite
Enter the Flesh World. Go north-west and enter the fleshy building. Go straight up and interact with the red blob.