Astrid, The Nebula Siren

A striking figure stands amidst a futuristic cityscape, her attire a mesmerizing blend of vibrant pink and blue hues, reminiscent of flowing nebulae. Her long, dark hair cascades down as she gazes back with enigmatic eyes. The backdrop features towering spires and luminescent neon clouds swirling through a starlit sky, adding a fantastical element to the scene.