marine (confeitokobo), sonozaki mion, higurashi no naku koro ni, commentary request, highres, traditional media, 1girl, bare shoulders, blush, breasts, cleavage, collarbone, dated, detached collar, detached sleeves, greyscale, hands up, large breasts, leotard, long hair, long sleeves, monochrome, open mouth, parted bangs, ponytail, portrait, shikishi, signature, solo, star (symbol), strapless, strapless leotard