Aroma Kurosu is a twelve-year-old human female idol with cerulean blue eyes and long, dark brown hair styled with curled ends and straight bangs. She typically wears a purple shawl adorned with hot pink bat wings and devil tails over her school uniform, along with a violet headband featuring purple bat wings. She cultivates a deliberate devilish persona, marked by blunt, cruel behavior and archaic speech including the pronoun "ware," which masks her inherently shy and quiet nature. She occasionally breaks character, becoming flustered if noticed, and consults a handbook to recite verses reinforcing her devilish tactics. Aroma shares a long-standing friendship with Mikan Shiratama, who helped her overcome childhood timidity. Together they formed the idol unit Aromageddon, later evolving into Gaarmageddon with the inclusion of Gaaruru. Despite her manipulative tendencies, Aroma genuinely cares for Mikan. She also takes on a commanding role over Michiru Koda, whom she calls her "demonlet." Her idol career began with immediate debut success alongside Mikan. Her preferred fashion brand shifted from Holic Trick Classic to LOVE DEVI, and notable coords include the Gaarmageddon Pink Heart Coord and the Super Cyalume Aroma Coord. She serves on the Library Committee at Paprika Academy and later becomes a student at Avocado Academy, rooming with Mikan. Her birthday is June 6. Her surname Kurosu combines the words for black and necessary, while her given name Aroma signifies fragrance.