NessLegend Necromancer
Full art:
Background spirit: "Only its upper body is floating"
Appearance:
Top: "The horns are a hair accessory, a cursed item."
Bottom: "The collar looks like she's being possessed"
Back: "What looks like wings on her back is a cape"
Source.
Cosmostar the White Hole Polairy
Full art:
Left: "Milky Way raiment"
Right: "If one looks at the Milky Way galaxy from the side, it looks just like an alternative color for a black hole"
Source.
Cosmostar the Black Hole Polairy
Full art:
Halo: "10 stars"
Wings: "Wings spreading wide open"
Skirt: "The inner side of the skirt is a black hole
Effect of light being distorted"
Stirrer: "The stirrer used in "Princess Cosmos Stirs". (Lent it to The Princess after she kept pleading for it)"
Source.
Full art:
Background spirit: "Only its upper body is floating"
Appearance:
Top: "The horns are a hair accessory, a cursed item."
Bottom: "The collar looks like she's being possessed"
Back: "What looks like wings on her back is a cape"
Source.
Cosmostar the White Hole Polairy
Full art:
Left: "Milky Way raiment"
Right: "If one looks at the Milky Way galaxy from the side, it looks just like an alternative color for a black hole"
Source.
Cosmostar the Black Hole Polairy
Full art:
Halo: "10 stars"
Wings: "Wings spreading wide open"
Skirt: "The inner side of the skirt is a black hole
Effect of light being distorted"
Stirrer: "The stirrer used in "Princess Cosmos Stirs". (Lent it to The Princess after she kept pleading for it)"
Source.