2girls, bikini, black_footwear, blush, closed_eyes, frilled_bikini, frills, goggles, goggles_on_head, green_shirt, hand_up, holding_hands, idolmaster, idolmaster_shiny_colors, midriff, multiple_girls, navel, open_mouth, red_nails, sandals, shirt, simple_background, sleeves_past_wrists, smile, swimsuit, tanaka_mamimi, ueno_zousui, v, white_background, white_bikini, yukoku_kiriko