izumi tsubasu, 9-nine-, key visual, official art, promotional art, 1girl, 1other, :d, blue eyes, blue sky, blush, bow, bowtie, breasts, buttons, choker, cloud, collarbone, copyright name, day, diamond hair ornament, double-breasted, dress, eyes visible through hair, foreshortening, frilled sleeves, frills, full body, gloves, grey hair, hair between eyes, hakusen academy school uniform, happy, kisaragi yuna (9-nine-), large breasts, loafers, long hair, midair, open door, open mouth, outdoors, outstretched arm, outstretched hand, pink bow, pink bowtie, pov, pov hands, reaching, reaching towards viewer, school uniform, shoes, short dress, sidelocks, single hair intake, sky, sleeves past fingers, sleeves past wrists, smile, straight-on, teeth, thighhighs, upper teeth only, very long hair, white choker, white dress, white thighhighs, wide sleeves, zettai ryouiki