崩坏：星穹铁道-流萤·第02期手机壁纸

vertical 9:16 mobile phone wallpaper composition, portrait orientation. A high-quality illustration featuring Firefly from Honkai: Star Rail (long silver hair with soft teal tips, bright teal eyes, gentle young adult woman). wearing a translucent chiffon overlay over a sleek fitted sleeveless mini dress, bare legs, elegant contemporary fashion, fully replacing the original costume, with no original clothing elements retained. without her original jacket dress, headband, ribbons, or armored elements for the selected outfit. medium shot, high angle looking down, bird's eye perspective. showing a tsundere look, half-pouting and half-fond. both hands laced behind the head. cleanly detailed, smooth rendering with soft gradients and clean flat color areas, minimal grain or noise, clearly adult character, balanced natural body and bust proportions, fashion-forward styling faithful to the specified outfit design.