koba (kobako42), plana (blue archive), blue archive, absurdres, commentary request, highres, paid reward available, 1girl, bare shoulders, black choker, black eyes, black hairband, black pantyhose, black sailor collar, black shirt, blush, bow, braid, breasts, choker, closed mouth, clothes lift, clothes pull, grey hair, hair bow, hair intakes, hair over one eye, hairband, halo, implied masturbation, long hair, navel, neckerchief, nose blush, pantyhose, pantyhose pull, red halo, sailor collar, shirt, shirt lift, simple background, single braid, sitting, small breasts, solo, stomach, thighs, white background, white bow, white hair, white neckerchief