Asleep/guide

Short Hair
Enter the Red Checkerboard World. Go down and right from the door. Walk underneath a floating pale orb and press Z. You will be teleported to a hallway with a NPC at the end of it. Interact with the NPC to get the effect.

Knife
Enter the Dark Hallway. Go right and enter the door at the end of the hall. Walk past the fence. Enter the door above you. Enter the door next to you and interact with the pyramid.

Go: Right, Left, Bottom Left, Up, Turn Back, Right, Further-most Left, Turn Back and Turn Back Again. Enter the pyramid with the light shadow underneath it. Go right and interact with the knife.

Skeleton
Enter the Skeletal World. Go right and down from the door. Go between two tall figures holding knives. From where you teleport, go down a bit and right and interact with the beige heart. Go right a bit and down from the figure behind you and walk between two skeletal limbs.

Go down a little and right and enter the sewer hole (avoid the chaser). Walk through the hall, you'll now be in a larger area. Walk down through the path of blood. Enter the path again after the cutscene. Go up and enter the door. Go right and up and interact with the skeleton in the pool of blood.

Photographs
Enter the Dark Hallway. Go down and enter the second door to the right. Go through the red door. Go up and interact with the cross in the upper right corner. Leave the room you're teleported into and you'll be in a corridor filled with NPCs with gouged eyes. Take the path to the right then go straight down. Enter the doors then go up.

Go all the way down the stairs and enter the door at the end of the hall. Go straight down the next hall. Go through the path of moving pictures until you reach the hall with pictures of a dark-haired NPC. Enter the second door you see. Interact with the glass screen.

Black Cat
Enter the Dark Hallway. Go down and enter the second door to the right. Go through the red door. Go up and interact with the cross in the upper right corner. Leave the room you're teleported into and you'll be in a corridor filled with NPCs with gouged eyes. Take the path to the right, go down then go right again. Enter the door and go up the stairs to the roof.

Interact with the cross on the roof. Head up and interact with another cross among some poles in the ground. Head down to some cats circling a cross. Interact with the cat that is not with the other cats.

Head
Enter the Red Checkerboard World. Go up and left and enter the small building. Go right and enter the next one. Go through the double doors. Go right and enter the second set of double doors. Go up and left and interact with the arm holding the head.

Mechanism
Enter the Purple Hallway. Go left down the hall then enter the door below you. Go right until you enter a hallway filled with several stacks of what looks like connected wires. Go down until you're underneath a red flower. Press Z to teleport and interact with the red screen on the machine.

Ending 1
Go into the room beside Ametsuki's bedroom and interact with the book on the shelf. [Ametsuki will then proceed to hang herself before the screen fades to black. ]