2girls, ahoge, arisugawa_natsuha, bad_pixiv_id, bikini, black_bikini, blush, bracelet, braid, breasts, brown_hair, cleavage, cleavage_cutout, clothing_cutout, cup, earrings, hamedoragon, hand_on_own_cheek, hand_on_own_face, holding, holding_cup, idolmaster, idolmaster_shiny_colors, jewelry, kuwayama_chiyuki, large_breasts, looking_at_viewer, multi-strapped_bikini, multiple_girls, nail_polish, navel, orange_hair, pool, print_bikini, see-through, side-tie_bikini_bottom, smile, swimsuit, twin_braids, v