: The song served as the official opening theme for the isekai anime Black Summoner ( Kuro no Shoukanshi ) .
The track is characterized by Kairiki Bear's signature frantic, playful yet dark musical style, reflecting the themes of the anime series . Atamannaka DEAD END / RetBear | VEATP-40044 - VGMdb : The song served as the official opening
: RetBear is a collaboration between Kairiki Bear (composer/arranger/lyricist) and a rotating cast of vocalists . playful yet dark musical style
"Atamannaka DEAD END" (Dead End in My Brain) is the by the Japanese music unit RetBear , released on July 9, 2022 . released on July 9