kame (nokonoko10271), yuuka (blue archive), blue archive, absurdres, highres, 1girl, bare arms, bare hips, bare shoulders, bikini, black bikini, black halo, breasts, cleavage, drying, halo, holding, holding towel, large breasts, long hair, looking at viewer, midriff, navel, ponytail, purple eyes, purple hair, short ponytail, side-tie bikini bottom, simple background, sitting, solo, swimsuit, towel, water, wet