崩坏：星穹铁道-流萤·第05期手机壁纸

vertical 9:16 mobile phone wallpaper composition, portrait orientation. A high-quality illustration featuring Firefly from Honkai: Star Rail. looking at the viewer, calm relaxed pose, not casting any skill or ability. cleanly detailed, smooth rendering with soft gradients and clean flat color areas, minimal grain or noise, clearly adult character, natural anatomically balanced adult proportions, fashion-forward styling faithful to the specified outfit design.