nil (pixiv 53614557), ooshima isuzu, heaven burns red, absurdres, highres, 1girl, aqua skirt, arm warmers, blue skirt, blue vest, bow, bowtie, breasts, chain, collared shirt, detached sleeves, finger to mouth, gloves, green bow, green gloves, green hair, green socks, green vest, grin, hair between eyes, hair ornament, hairclip, holding, holding key, index finger raised, indoors, key, lock, long hair, looking at viewer, miniskirt, multicolored hair, on one knee, one eye closed, padlock, pink eyes, plaid bow, pleated skirt, puffy short sleeves, puffy sleeves, red eyes, school uniform, shirt, short sleeves, shushing, skirt, smile, socks, solo, streaked hair, teeth, two side up, vest, whistle, whistle around neck, white shirt, x hair ornament