1girl, backlighting, blue dress, blue eyes, blue hair, blush, breasts, closed mouth, collarbone, dress, eyebrows hidden by hair, grey background, hair ornament, hair rings, hair stick, half-closed eyes, large breasts, light smile, looking at viewer, medium hair, nose blush, puffy short sleeves, puffy sleeves, short sleeves, signature, simple background, solo, upper body, vest, white vest, wing collar