Meisa Akashi is a top star in the Great Imperial Combat Revue B.L.A.C.K., part of its elite "Noble Twelve." This group combats demonic threats to Japan's future while performing musical routines. Her full name allows for numerous kanji interpretations, with over 40 documented combinations including potential meanings like "life" or "command" combined with "cherry blossom" (命桜), "bud" or "sprout" with "thread" or "silk" (芽衣紗), or "love" with "blossom" (愛咲). Within narrative sequences, she engages in combat operations against demonic entities called Koki. Official materials consistently identify her as a core member of B.L.A.C.K. alongside Kurumi Saimei and Prana Tosei. She also contributes to the group's musical performances, including the song "Wonderful Future."