Yume 2kki:Sofa Room

Sofa Room
Basic Info
Japanese Name(s)	ソファ; Sofa
Effects	None
Collectibles	WP #561; WP #581
Events	None
Notable NPCs	Noranyan
Other
Connecting Areas	Mirror Room;
Removed Connections	Urotsuki's Dream Apartments ⛔;
BGM	🔊 qs0UrDFJ-title_Rv (No. 001D);
Map ID	0200
Version Added	0.106h
Last Updated	0.123b patch 12
Author	kuraud
Extras +
YNOproject Badges
	Noranyan

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Details: Specify which of the last digits of the number of visits is related to the presence of the black cat and Noranyan.

The Sofa Room is a small area accessible from the chair in the Mirror Room after viewing the Twin Mountains Beach area at least once.

Map of the Sofa Room.

Features

The Sofa Room is a small area, with a tileset and panorama resembling those of different versions of The Nexus. Most notably it is filled with dozens of chairs, benches, and as the name implies, sofas, each of which resemble those from the various areas all around the Dream World. Sitting on the chair that was used to enter the area will take you back to the Mirror Room.

Here is a list of the various sofas, and the worlds they originate from:

Sofas	Locations
	Urotsuki's Dream Apartments (that also served as the entrance to this area prior to the removal of this connection)
	Urotsuki's Room
	The Nostalgic House
	The House of the Angel Priest in Fountain World
	Tapir-San's Place backroom
	Respectively the Theatre, Yume and Oni Musume's seats from the Dark Room
	The little boy's bench in Blue Forest
	Jade Sky Hamlet
	Various locations
	The Sea Sponge Path
	The Hospital

In addition, the world also contains two NPCs, both with common features: cat themed, and with yellow and blue eyes. One of them is a black cat that will appear on one of the chairs/sofas, chosen at random, and the other is a cat-person named Noranyan. Both meow when interacted with. The presence of the black cat and Noranyan depend on the last digit of the number of visits.

Interacting with both the black cat and Noranyan will unlock Wallpaper #561, which in turn unlocks them as masks in the Mask Shop and Deluxe Mask Shop.

Directions

After viewing the Twin Mountains Beach in the Mirror Room at least once:

Urotsuki's Dream Room → Mirror Room → Sofa Room

Trivia

The gift box that temporarily gave Menu Theme #13.

This world is possibly meant to parody, or otherwise parallel, the ordinary Nexus. Alongside the similarity in tileset and panorama, the world is also suggested to be a hub world, due to the sofas from various worlds throughout Urotsuki's dreams.
The world's tiles attempt to create a popular pattern of squares that completely fills a rectangle with no gaps. Each of these squares has a Fibonacci Number as its side length, and as such, the sides of the rectangle are a good approximation of the Golden Proportion, a proportion of sides believed to be aesthetically pleasing to the human eye. The attempt is mostly a success, but it's not possible to draw a spiral through the squares as you usually can because the smallest five squares are flipped upside down.
Before version 0.113, this area connected with the Mirror Room. After the removal of wataru's areas, it became inaccessible. The area got finally relocated to Urotsuki's Dream Apartments, with a new set of unlock conditions. It acted as a one-way connection from Urotsuki's Dream Apartments to the Mirror Room until the connection from Urotsuki's Dream Apartments was removed in version 0.119e patch 3.
The connection from Urotsuki's Dream Apartments used to be unlockable by visiting the Hospital, the Dark Room, Atlantis, Tapir-San's Place, the Blue Forest, the Sea Sponge Path, the Nostalgic House, the Fountain World (Inside the angel's house) and the Jade Sky Hamlet.
After the removal of wataru's areas, Menu Themes were moved outside of these areas to make them accessible. As such, until version 0.119d patch 1, a green gift box could be found in a brown sofa, which was located northeast from the entrance. Interacting with this box unlocked the Menu Theme #13. It was a replacement of the Menu Theme located in the Bioluminescent Cavern, as an egg, which can now be found there.
Previously, the cat would only appear when the in-game season was either Summer or Winter, and Noranyan would only appear in Spring and Autumn.
In version 0.123b patch 12, the conditions for the presence of the black cat and Noranyan were changed to depend on the last digit of the number of visits instead of Variable #44.

Gallery

The Sofa Room as it first appears when you enter.
The Cat sitting on a couch.
The Cat sitting in an armchair.
Noranyan.
The pattern of squares created by the tiles, as it should appear. Currently the tightest loops of the spiral cannot be drawn.