Soloween (ソロウィン, Sorōin) is the second single by Japanese Darkwave duo, Aural Vampire, released October 10, 2012. The single is the second release from their album Razors on Backstreet, after the Kerguelen Vortex EP. This is the first release from the newly formed Aural Vampire with four new members. The music video for Soloween is animated and made by their own member Raveman.