Ruka Sarashina (更科瑠夏可愛いバージョン), 1girl, anime illustration, confident cheerful pose, upper-body to mid-thigh composition, slightly tilted camera angle. Ruka has short dark brown hair in a neat bob cut, with soft layered strands framing her face and lightly curving inward near the jawline. Her hair has subtle shine and natural movement, with a bright ribbon headband tied into a bow on top of her head, giving her a lively and youthful appearance. Her large bright pinkish-red eyes shine with energy and affection, one eye playfully winking, with a gentle blush across her cheeks and a warm cheerful smile. She wears the same sleek white outfit from the original image: a tight high-collar white crop top with long sleeves, smooth fitted fabric with visible seam lines and structured stitching across the chest, paired with high-waisted white fitted pants that accentuate her waist and hips. The fabric reflects soft daylight with subtle glossy highlights. Pose: playful and slightly flirtatious, hand extended forward releasing a small floating heart, while the other arm rests near her side. Her posture includes a gentle hip tilt, creating a lively idol-like stance. Lighting: bright soft daylight illumination with delicate shadows and subtle highlights on the hair and clothing. Background: minimalist white background with tropical palm leaves framing the composition, soft pastel accents giving the illustration a romantic and summery atmosphere. Art style: ultra-detailed anime illustration, polished digital painting, smooth skin shading, fine hair strand rendering, vibrant clean colors, sharp focus, masterpiece quality.

lowres, worst quality, bad quality, bad anatomy, jpeg artifacts, old, oldest, watermark, anime screenshot, anime coloring, nostrils, nose,