Harmony Library

The Harmony Library is a small area that is accessible from the Chaser Crossroad, and the mushroom path in Mushroom World.

Features
A library that consists of floating wood platforms with chairs and tables. There are also ghost-like people that can be found here.

Heading all the way east, you can find an Akaisusho which will take you to the Chaser Crossroad.

The Harmonica effect can also be found here, just by heading left from the Chaser Crossroad entrance.

There is a portrait of the Wilderness in it's nighttime mode, which will take you to said world upon interaction.