DemonMika, the artistic name of Micaela Arin, began her public activity around 2021, when her first online posts showcased an alternative aesthetic centered on dark photography, gothic styling and cosplay-inspired visuals. Early on, she established a distinct identity through images featuring black outfits, intense makeup and a stylized sense of mystery that resonated within the alternative modeling niche. Her presence expanded to TikTok and Instagram, where she blended her visual style with viral sounds, transitions and short-form formats that amplified the impact of her content.

Between 2022 and 2023, her visibility increased as she took part in music-based trends using widely recognized audios. Several of her most-shared clips featured tracks by The Weeknd, commonly used in dark-aesthetic edits, while others aligned with sounds associated with Billie Eilish, whose music frequently appears in atmospheric and alternative trends. These verifiable associations, though not direct collaborations, strengthened her position within a community that engages deeply with dark, stylized content. Through consistent posting across Instagram, TikTok, X and additional platforms, DemonMika built a cohesive and recognizable personal brand.

She continues to remain active across her platforms, sharing photoshoots, short clips and content featuring dark fashion, alternative makeup and visually expressive themes. Her work is defined by stylistic consistency, aesthetic coherence and the ability to incorporate trending formats without losing her distinctive identity.