lo1girl, kafka (honkai: star rail), indoors, white shirt, light blue pants, bun hairstyle, from behind, back view, not looking at viewer, hands on wall, huge ass, gigantic ass, shiny breasts, sweaty body, medium skin tone, red hair, pink eyes, soft lighting, natural light from window, detailed shadows on face and shoulders, japanese illustration style, 8k wallpaper, masterpiece, ultra detailedlgr_omg#0