By Kurtis Burton.
Cover art by Ephemerald emeraldephemeral Tumblr ephemerald_ Twitter.
Released 12/18/2017.
Duration: 2:42.

Listen on Bandcamp.

Also released as:

• (20216/1/2021; about 3 years, 5 months later) Sickly Green Glow (Vast Error Vol. 1-3)