A high-contrast portrait of Chika wearing a white halter top, exuding elegance and poise of her untoned physique. ((arm raised pose)) ((armpits)) Her face is the centre of attention, with sharp contours highlighted against a dark, minimalistic background. Her expression is calm, with a soft, confident gaze directed slightly away from the camera. The shot is intimate and close-up, emphasizing the smooth texture of her skin and natural beauty. The lighting creates deep shadows, giving the image a timeless, classic feel. The overall vibe is sophisticated, with the minimalism and elegance reminiscent of luxury fashion campaigns." For post-processing, Apply deep contrast to enhance the aesthetic. Use localized light adjustments to accentuate the model’s facial features and textures.