1girl, blush, bottle, breasts, brown_headwear, cleavage, dot_nose, dress, drinking, hands_up, hat, holding, holding_bottle, idolmaster, idolmaster_million_live!, legs, lielos, long_hair, looking_at_viewer, medium_breasts, panties, pantyshot, red_eyes, red_hair, sand, sandals, sidelocks, solo, squatting, straw_hat, sundress, sweatdrop, tanaka_kotoha, thighs, underwear, v-shaped_eyebrows, white_background, white_dress, white_footwear, white_panties