getsuyoubi no tawawa, himura kiseki, monochrome, 2girls, asymmetrical hair, bikini, blue, blue theme, blush, bracelet, breasts, cleavage, clothing, female, frilled bikini, frills, hug, hugged from behind, jewelry, large breasts, long hair, looking at viewer, multiple girls, open mouth, polka dot, polka dot bikini, polka dot swimsuit, ponytail, short hair, side ponytail, side-tie bikini, standing, standing on one leg, string bikini, striped, swimsuit, tied hair, towel, vertical-striped bikini, vertical stripes