best quality, 1girl, :o, bangs, black skirt, black thighhighs, black-framed eyewear, blue eyes, braid, by toosaka asagi, chalkboard, classroom, cleavage, collarbone, collared shirt, dress shirt, earrings, garter straps, glasses, hair bow, hand up, high-waist skirt, indoors, large breasts, long sleeves, looking at viewer, miniskirt, nail polish, necklace, open mouth, parted lips, pencil skirt, red bow, semi-rimless eyewear, shirt tucked in, sitting, solo, striped skirt, teacher, very long hair, white hair, white shirt, zettai ryouiki