Unlucky Morpheus are a metal doujin circle who's music is as they describe "Technical melodic speed metal", they often mix elements of Progressive and Power metal intro their technical Touhou arrangements which featuring both female and male vocals contributed by both 天外冬黄 and 電子レンジ剛志 respectively. the circle has also ventured into Jazz arrangements with both 70s' esc Jazz Fusion on albums like HEAVY METAL BE-BOP along with more contemporary guitar focused Jazz arrangements being featured on several albums.