Acatalepsy (アカタリプシー)/guide

Folding Bicycle / Foldable Bike (折りたたみ自転車)
Go to Brick Wall World. Go north-west and enter a doorway in a large wall. Climb the staircases to the Brick Wall Maze. Find and interact with the Folding Bicycle.

Scalpel (メス)
(It's better to have Lantern effect)

Go to Dark World. Go north-west and find the scalpel among the monochrome creatures.

Lantern (ランタン)
Go to Wood Fence World. Go to the upper-left corner then go north. Go up across the crossing signs then at the next horizantal split in the path go left until you reach a door. Enter the door, go down the pathway and interact with the lantern at the end of it.

Digital Clock (デジタル時計)
Go to Wood Boxes World. Go north-west and find the Digital Clock effect within a side opened box.

Plastic Umbrella (ビニール傘)
Go to Brick Wall World. Go north-west and find an underground entrance to the School. Go through the reception desk to a room and go right. Enter the second door and interact with the umbrella in the rubbish bin.

Gloves and Earmuffs (耳あてと手袋)
(It's better to have Lantern effect)

Go to Wood Boxes World. Go south and enter a side opened box to the Black Desert World. Go up a bit and west and find an entrance to the Dark Pyramid. From the start, climb the left staircase and enter the right door. Go down the staircase and enter the second door on the right. Climb the staircases until you reach a snowman that gives you the effect.

Check / Plaid (チェック)
Go to Wood Fence World. Go to the upper-left corner then go straight north until you find a door to your right. Go through the door to the Park and find an entrance to the Hospital. Go left until you reach a hallway with a nurse creature. Enter the door closest to the stairs going down and interact with the flouting check.

Door (扉)
(It's better to have Lantern effect)

Go to Dark World. Go north-east and enter the gate to the Red Dressed Women Pathway to the Train. Wait a few seconds until the train stops and the sliding doors open to the train station. Exit the train station to the FC Overworld. Go to the north-east part and find the warp point to the FC Cave. Go down the stairs and find the Door effect.

Ending
Collect all of the effects. Enter the blue door inside the Nexus. Hold down Z to drop all of your effects inside the room. Wake up and interact with the gaming console.