1girl, ahoge, alisa mikhailovna kujou, bangs, bare arms, bikini, breasts, cleavage, collarbone, cowboy shot, frilled bikini, frills, greyscale, groin, hair between eyes, hair intakes, hair ribbon, long hair, looking at viewer, medium breasts, momoko (momopoco), monochrome, navel, novel illustration, official art, ribbon, side-tie bikini bottom, sideboob, solo, standing, swimsuit, tokidoki bosotto roshia-go de dereru tonari no arya-san