The track, titled "Boo", also features fellow HOTSHOT member Yoonsan, and has the perfect, moody vibe for a Friday night. Junhyuk is known for treating fans to songs often on his SoundCloud, so make sure to follow him below!

SEE ALSO: [Interview] Ask anything and everything: Send us your questions for Minzy!

Do you think the Halloween pun was intentional, or just a coincidence?