Shiori Sekine

Shiori Sekine is the bassist of Girls Dead Monster, with a G&L L-2000 bass guitar as her playing instrument. She likes to play pranks on those around her to see the surprised faces of her victims. She also likes to abruptly improvise during performances, which makes Hisako get mad at her. She is best friends with Irie, whom she calls "Miyukichi" and both of them joined Girls Dead Monster at the same time. Although she isn't good at playing the bass, Hisako stood up as her guide during their practice performances. She is also seen singing backup for Iwasawa when the band first performed "Crow Song" in the anime.