dm
firefly (honkai: star rail), grey hair, thighhighs, hair between eyes, sidelocks, black hairband, hair bow, skirt, Honkai Star Rail Art Fine light and shadow, hair details, clear hair, no mismatched position of the characters., masterpiece, best quality, ultra-detailed, 1girl, solo, Firefly honkai star rail, character accurate, long silver-white hair with a thin black headband, beautiful face, gentle and slightly emotional expression, clear blue-gradient eyes.
POV & Pose: POV point of view perspective, looking directly at the viewer as if interacting with them, Firefly is swimming forward inside a vertical glass containment tube, floating close to the glass wall, pressing her palms gently against the inside of the glass tube surface.
Outfit (Top) & Voluptuous Sizing: ((very voluptuous body, huge breasts)), wearing accurate Firefly outfit, elegant dark brown and black cropped jacket over a white and teal-green dress, featuring her iconic long yellow-orange necktie ribbon on the chest, frilled white collar, very large and full breast size, mature body curves, the jacket is stretching wide and the inner dress is clinging tightly over her massive chest, realistic wet clothes effect under the water, fabric under extreme strain against the glass.
Mermaid Tail (Bottom): transformed into a beautiful mermaid, no legs, single tail, shimmering neon-green and silver-white fish scales, iridescent bioluminescent organic scale texture that glows softly, long magnificent translucent fins waving softly inside the water tube.
Setting & Atmosphere: inside a high-tech sci-fi laboratory chamber, enclosed inside a glowing glass containment tube filled with water, tiny air bubbles and glowing green ember particles floating in the water around her body, futuristic medical monitors and computer screens visible blurry outside the glass container.
Lighting: cinematic lighting, soft ambient glow illuminating her voluptuous figure and glowing green scales, beautiful water refraction, light beams piercing through the glass container.
Nov 6, 2026 7:18 PM