Akashi (証)/guide

Old Clothes (古着)
Enter the brown-and-white door. Go slightly south-west and interact with the green blob NPC. In the tile area, go north-west to a tile group shaped like a cross. Interact with the clothes in the middle.

or

Enter the red-brown door. Go right a bit and then up. Go between the two flesh lumps. Go right and you'll be teleported to the tile area. Go north-east to a tile group shaped like a cross. Interact with the clothes in the middle.

Club (棍棒)
Enter the silver door. Go south-east and interact with the gray orb. Navigate your way through the maze to a gray building and enter it. Go left to the next area. Interact with the space in the wall that has a light grey patch lining it. Go south-east and enter the door with blood stains outside it. Interact with the body.

Grim Reaper/Death (死神)
Enter the red-brown door. Go up a bit from the door and go right. Step between the red crosses. Go up and interact with the sickle.

Clock (時計)
Enter the brown-and-white door. Go north-east and step between the two brown clocks. Go south-west and interact with the tiny clock on the ground.

Short Hair (短髪)
Enter the red-brown door. Go right a bit and then up. Go between the two flesh lumps. Go right and you'll be teleported to the tile area. Go north-east and between the two green objects. Go south to the next area. Go south-east and find a path on the right side of the wall (directly across from a large cube). Interact with the mushroom.

In the forest, go north-east to the next area. Go north-east again and between the two trees. Go up and enter the house. Go left to the next hall and enter the brown door at the end of it. A scene will occur and you'll get the effect afterwards.