Uotamuosu (ウオタムオス)/guide

Dolphin
Go to the Neon Tree World and wander around until you find the Dolphin lying on the ground.

Crocodile
Head to the Underwater World and move southwest. The Crocodile will be lying on the ground.

Polar Bear
In the Underwater World, there are two green plants side-by-side. Move between them in order to be transported to another path. Go to the end of the path and interact with the Polar Bear.

Akita Inu
In the Underwater World there is a group of stones. Swim in between them and then continue to swim straight until you reach two rocks. Once you are in between these rocks, you will be transported to the Snow World. There are several igloos here, and one of them has the Akita Inu Effect.

House Mouse
Go to the Sky World and wander around until you find the House Mouse running around in circles.

Calico Cat
Enter the Windy Forest World and pass through the Flower Gate, which will take you to a new path. Interact with the tree at the end of the path, which will then take you to the inside of a tree house. At the top of the tree, interact with the sleeping cat to receive the effect.

Weasel
On top of the tree where you received the Calico Cat Effect is a large branch. Move towards it and be transported to the Pink Maze. Wander around until you find the Weasel.

Wild Rabbit
In the Neon Tree World is a tree that is much larger than the others. Interact with it and be taken to a path which will lead you to another section of the Neon Tree World. Head north and find a black area. Interact with the area and be taken to a Park. The Wild Rabbit Effect is there.

Wounds
After you get the Wild Rabbit Effect, head in the opposite direction. You should find a single white footprint. Interact with it to trigger an event. Once you have woken up, you will have the Wounds Effect.

Crow
In the Neon Tree World is a tree that is much larger than the others. Interact with it and be taken to a path which will lead you to another section of the Neon Tree World. Pass through the six trees atop a circular pattern. In the next area, go south through the maze and to your left. Head left past the rice paddies, then up the steps. In the next area will be a Crow NPC asleep on the steps of the shrine.

Japanese Wolf
Follow the instructions for the Weasel Effect. Instead, head north-east from where you are teleported to and enter a pink house. Head right after exiting the building. In the next area, interact with the Wolf NPC standing by the water.

Dolphin
Enter the purple door to the Purple Water World, go north-east and interact with dolphin figure between two monsters to get effect.

Crocodile
Enter the green door with a rhombus, go south-east to the pool find there a little crocodile figure and interact with it to get effect.

Weasel
Enter the blue/cyan door in Maze, follow directions, north to the wall, east to the fork/junction, south to the fork and west, interact with a weasel figure to get effect.

House Mouse
Enter the black tech-advanced door, go in south-east direction and go through structure from gray flags, navigate your way to the another hole thing, go south or north to the girl with a black hair, interact with the mouse figure near to the girl to get effect.

Rust
Go through the Dark Blue door and move southwest until you find a green dot. Move on it and be transported to a blue path. At the end of the blue path, you will be taken to the Pink Block World. Move down and find the Effect.

Tires
After entering the Dark Blue world and/or retrieving the Rust effect, head north east from the entrance until you find the Effect lying in front of a purple creature.

LSD
Enter the Neon World. The Effect can be obtained from interacting with a bright, M-shaped NPC.

Prosthetic
Enter a building inside the Neon World and wander through the rooms until you find a building within one room. Entering it will take you to a tunnel. At the end of it, you will find a hand. Interact with it and get the Effect.

Hand Gun
Enter the Bright Green World and head south until you find a puddle of blood with a gun shape in the center. Interacting with it will give you the Effect.

Skinned Face
Enter the Dark Door and wander through the maze until you find a blood stain on the wall, which will give the Effect.

Wooden Mallet
In the Dark Maze World, there should be an open doorway which will lead to a Blood Cell World. Wander around this world until you find the Mallet lying on the ground.

Wounds/Injury
After picking up the Mallet, enter the mouth of a Red NPC, which will take you to another Red Maze. Step on a Green Tile in the maze and be taken to a Street. Follow the streets in this order: left, up, up, left, up, left. If done correctly, you'll find a dirt path which will take you to an underground room. This is the setting for the "Backland" event. During the event, Bill will have the Injury Effect. When he wakes up, he will have Wounds.

Siberian Husky
Follow the same directions for the Rust Effect, but instead of moving south, move north and enter a pink building. You'll find yourself in the middle of a Flower Field. Interacting with a green-eyed NPC will give you the Effect.

Humanoid
Go through the Dark Blue door and move southwest until you find a green dot. Move on it and be transported to a blue path. At the fork, go down. In the next area keep going left until you hit another fork, then head north. Go through the gate to the teleportation maze. Eventually, you'll hit another gate you can't pass--simply interact with the panel on the gate to unlock it. Use the elevator pads and traverse the next area; interact with the human NPC on the final platform to get the Effect.

Battle Mode
Enter the Neon World, go south-west and enter the building, go west and enter the first doorway, go east and interact with green kanji to get effect.

Paperweight
Go through the brown door to Red Face World. Head directly north and interact with the gray paperweight on the ground to get the Effect.

Roller Skates
Go through the white door to Dark Blue Line World. Head south-east and interact with the roller skates on the ground to get the Effect.

Adolescent
Go through the blue door to Square Heads World. Head north-west and step on a green dot. You'll be teleported to the Dismembered Hand Area. Go north-west from the entry way and interact with the blue stick figure to get the Effect.

Eyeball Window
Go through the blue door to Square Heads World. Head south-west and interact with the eye in the cage to get the Effect.

Balloon
(The Roller Skates Effect, though not required, is recommended.) Go through the blue door to Square Heads World. Head north-west and step on a green dot. You'll be teleported to the Dismembered Hand Area. Go south-west from the entryway and interact with the hand in the pool of blood. In the next area, use the Roller Skates Effect to avoid the Takatsuki lookalike chaser while heading south-east. Go through a green mouth to a long pathway. At the end of it, there will be a green balloon: interact with it to get the Effect.

Hair Rubber Band
Go through the yellow door to Blame World. Wander until find effect on the ground.

Jinbei/Summer Casual Wear
Go through the yellow door to Blame World. Head south-east and enter the green doorway. Follow the paint splatter path to the Blue Fanged Creatures area. There, go south-east and pass through the blue creature's mouth. You will find yourself in the Orb Creatures area. Go north-west until you find clothes hanging on a stand. Interact with them to get the Effect.

Wounds
Go through the brown door to Red Face World. Wander around until you find a red archway with a green tongue. Head right at the first fork on the Red Path and make your way to the end. Then go south-west in the お前が area and step on a blue ball in a pool of blood. Navigate north through the maze until you can exit through the top. You'll find yourself viewing the "Rooftop" event, which will trigger a forced wake-up upon completion. At that time, you'll receive the Wounds Effect.

Hero
Go through the yellow door to Blame World. Head south-east and enter the green doorway. Follow the paint splatter path to the Blue Fanged Creatures area. Wander until you find the a sword sticking out of the ground. Interact with it to get the Effect.

Superhero
(The Roller Skates Effect, though not required, is recommended.) Follow the guide for the Hero Effect. Somewhere in the area is a square with geometric patterns on it: step on it, and you'll be warped to an area with wounded figures. Go south-west and pass between the clocks. In the next area, use the Roller Skates Effect to avoid the Takatsuki lookalike chaser. Pass between the four red standing figures to the south-east. Then, wander around the following area until you find what looks like a doorway. You'll be teleported to the house maze. Somewhere in the upper area is a door which will show you a visual and trigger a forced wake-up. At that time, you'll receive the Superhero Effect.

Ending 1
In Shiwasu's part after collecting effects go in the nexus and interact with the second double doors.

Ending 2
After collecting all effects go to the Sky World, find a rainbow arc on a south-east and go trugh it, find another rainbow arc which bring you to the event with Bill and Takatsuki, to trigger even just keep going west, after that you wake up, sleep again and interact with second double doors in nexus.

Ending 4
In Bill's part Enter the Dark Door and wander through the maze until you find a doorway to the Blood Cell World, go south-west and step on a green tile which bring you to the event with Shiwasu and Takatsuki, to trigger event just keep going west, after that you wake up, sleep again and interact with second brown door in nexus.

Ending 5
In Takatsuki's part after collecting all effects interact with a second green door in the nexus to see ending.

Ending 6
In Takatsuki's part enter the Blame World. Head south-east and enter the green doorway. Follow the paint splatter path to the Blue Fanged Creatures area. There, go south-east and pass through the blue creature's mouth to go in the Orb Creatures area, wander around until find a colorful tile and step on it, thi tile will bring you to the event with Shiwasu and Bill, to trigger event just keep going west, after that you wake up, sleep again and interact with second green door in the nexus.

Ending 7/TRUE END
To get this ending you should do two thing, first one is trigger Matsuri Event for all characters (Shiwasu, Bill and Takatsuki, check guides on Ending 2, 4 and 6 for details). And second one is collect all four books, two books in Shiwasu's part, one in Bill and last one in Takatsuki.

Books Guide: Shiwasu's Part

In the Underwater World there is a group of stones. Swim in between them and then continue to swim straight until you reach two rocks. Once you are in between these rocks, you will be transported to the Snow World. There are several igloos here, and one of them has the first book. To get second book go to the Sky World, head north and enter the elevator, it will transport you to the place with a giant tree, in front of this tree will be second book.

Bill's Part
Go through the Dark Blue door and move southwest until you find a green dot. Move on it and be transported to a blue path. At the fork, go down. In the next area keep going left until you hit another fork, then head north. Go through the gate to the teleportation maze. Eventually, you will find a place/platform where you can find a third book.

Takatsuki's Part
(The Roller Skates Effect, though not required, is recommended.) Follow the guide for the Hero Effect. Somewhere in the area is a square with geometric patterns on it: step on it, and you'll be warped to an area with wounded figures. Go south-west and pass between the clocks. In the next area, use the Roller Skates Effect to avoid the Takatsuki lookalike chaser, wander around unitl find fourth and last book, after you collected all books and saw all Matsuri Events, for a Takatsuki enter the second green door to trigger TRUE END.