1girl, alternate costume, black shirt, blue background, blue eyes, blue hairband, breasts, brown hair, cleavage, collarbone, glasses, green jacket, hairband, head tilt, interface headset, jacket, light blue background, long hair, long skirt, looking at viewer, low twintails, medium breasts, red-framed eyewear, shirt, sidelocks, signature, simple background, skirt, smile, solo, standing, twintails, yellow skirt