Before you start playing, get the Pinch effect.
Michi`s Effects
Pinch
When you fell asleep and were next to the bed in a dream, go ahead and come back for getting the effect.
Sword
Enter the Virus World (black mess). Go north-west to the ellipse with the blood cross. Enter into it on the right side. Go ahead and interact with the sword in the middle of the location.
Joinks
Enter the Tree Place World (green door with wood). Go north-east and interact with blue lever in the cloud. Go up the stairs, then interact with the gray box.
Onryo
Enter the the Desert World (tombstone). Go north and interact with the well.
Cloud
Enter the the Desert World (tombstone). Go north, when you see the well, move north-west and interact with the yellow-black door. Enter the mouth. Go up the stairs and interact with baloon, then move left and get the effect.
Uboa
Enter the Virus World (black mess). Go north-east and enter the window. Interact with the question mark and then get the effect from monochrome sprite of Madotsuki.
Fast
Enter the Tree Place World (green door with wood). Go north-west and interact with red lever in the cloud. Go ahead and interact with the yellow boomerang.
Lampie
Enter the Hell World (red door). Navigate your way by the right side to the grey building. Enter it and interact with purple NPC. Getting on the White Paw Path go forward to the fork, then go up. Interact with the lamp NPC.
Opposities
Enter the Hell World (red door). Repeat the way to Lampie effect and on the fork go right. Continue your way to road, then go right to end. When you were in Small Place Park, move left to the little lake. Interact with the lamppost next to the lake on the right side. Get the effect from NPC.
Headless
Enter the the Desert World (tombstone). Go east and interact with the exclamation mark. When you get in Michi`s negative room, look in the mirror. After the event, interact with the NPC on the left side of the room. You entering the Graves World. Go south-west and interact with the guillotine.