Star World

Star World has two areas that swap at 2 yellow tiles northeast of the Nexus's door.

Yellow Area:
North of the swap tile is a halo and some wings interacting with them gives Toritsuki the angel item.

Somewhere there is a blue star that teleports Toritsuki to the Rainbow Platforms.

Southwest of the swap tile are three stars around a tile that teleports Toritsuki to the Grey Halls.

Connections:
Grey Halls

Nexus

Rainbow Platforms