Walkthrough : When it's rain, i want to disappear off somewhere

Since the game is quite confusing for some reason, I decided to make some walkthrough and I obtain some endings too.

Before The Game

Before the game start, there's two thing that player must do.

• Choose the type of game

There's two options that player can choose. 

- On, if player want to skip some dialog and directly get to the point

- Off, if player has so much time 

• Insert name for main character [the cat], cause this will affect in true story

Game Begin

• Pick up the Picture book
• Check all closets and drawers, obtain Cat Ornament 1
• Try to go outside the room
• When someone's coming, hide in the closet where you found Cat ornament 1
• Come out from hideout after you hear the door slammed. 
• Go outside the room and take the stair to 2F
• Obtain someone's diary no. 4 in 2F Night Picture Room
• Go to 2F dining room, talk to White Fluffy and obtain someone's diary no. 7 in the middle of the roo,
• Talk to Red Rabbit
• Go outside the dining room, and walk along until you find someone's diary no 14 in 2F East Hallway
• Obtain someone's diary no. 5 in 2F Relaxing room then checked the drawer to obtain Cat Picture Book's pages
• Check out another closet, and look at the shining object on top of it
• Go to 2F dining room, talk to White Fluffy to obtain stepladder
• Go back to 2F Relaxing room, use stepladder to get Key 2
• With key 2, unlock the Black Rabbit Room in 2F west hallway and talk to Black rabbit.
• Go to 2F dining room, talk to Red Rabbit to obtain Black Rabbit Key
• Open the gate in 2F Black Rabbit Room and obtain Cat Ornament 2
• Go to 2F Dining Room, talk to Rabbits
• Go to own room in 3F (there's only one room in 3F) then talk to Knowledgeable cat to find some hints.
• Go to 2F Day Picture Room, place the Cat Ornament 1 on the third plate to obtain Key 1
• Go to 2F Night Picture Room, place the Cat Ornament 2 on the first plate to obtain Key 3
• Unlock 2F Television Room with key 1 and obtain someone's diary no 1
• Playing the TV to get a cutscene
• Unlock 2F Library with key 3 and obtain Cat Picture Book's Pages
• After here a bell, Check out the left-bottom bookshelf for Someone's Diary No. 9 and right-top bookshelf for Memo 1
• Go to 1F White Fluffy room, obtain Cat Picture Book's Pages
• Go to 1F Painting room, obtain Someone's Diary no. 13 and Someone's Diary no.10
• Go to 1F Safe room, check out the locked safe, and look at the memo 1 and hint paper (lying near the safe) to unlocked it and obtain Match. Answer : 334.  
• Go to 1F Red Rabbit room, obtain Cat Ornament 3
• THE MOST IMPORTANT PART : SAVE IT HERE, CAUSE THERE'S 3 ENDINGS

Endings 

Ending 1

• Go to 2F dining room, and talk to Black Rabbit to obtain Katsuboshi, then talk to Red Rabbit to obtain Niboshi
• Go to 1F Red Rabbit room, have meal at Chair of Hunger then sleep in Bed of Fullness
• Cutscene
• Obtain Instantly Fullness
• Go to 1F Lone Picture Room, Place the Cat ornament 3 on the outside plate to obtain Cat Picture Book's Pages
• Go to 1F Painting room, and burn the picture of person to open the hidden door.
• Go inside the hidden door, obtain Cat Picture Book's Last Pages and Last Key
• Exit the mansion using The Last Key
• Ending

Ending 2

• Go to 2F dining room, and talk to white fluffy, choose  Eat
• Go to 1F Red Rabbit room, sleep in Bed of Fullness
• Cutscene
• Obtain Unfulfillable Hole
• Go to 1F Lone Picture Room, open the gate and obtain Someone's Diary no. 8
• Go to 1F White Fluffy room, obtain Memo 2
• Go to 2F Dining room, talk to White Fluffy and obtain Last Key
• Exit the mansion using The Last Key
• Walk straight to the right and enter the tree's hollow
• Take a rest
• Cutscene
• Picking up the foods
• Ending

Ending 3

• Go to 2F dining room, and talk to white fluffy, choose  Eat
• Go to 1F Red Rabbit room, sleep in Bed of Fullness
• Cutscene
• Obtain Unfulfillable Hole
• Go to 1F Lone Picture Room, open the gate and obtain Someone's Diary no. 8
• Go to 1F White Fluffy room, obtain Memo 2
• Go to 1F Painting room, and burn the picture of person to open the hidden door.
• Walk straight through the doors and found Human in Life Sustained Apparatus
• Destroy Life Sustained Apparatus and obtain Last Key
• Exit the mansion using The Last Key
• Ending

Other those three, I obtained 2 more endings too.

• Bad End 1 : Cat in the Cage

To obtain this, just place the wrong cat ornament on the wrong plate

• Bad End 2 : No escape

To obtain this, come out the hideout before hearing door slammed.

Maps

To ease you guys, I made some maps here. Hope it can help