1girl, animal_costume, armpit_peek, bikini, bikini_under_clothes, blue_hair, blush, breasts, breasts_apart, collarbone, dark_blue_hair, hum455, idolmaster, idolmaster_shiny_colors, looking_at_viewer, micro_bikini, morino_rinze, navel, penguin_costume, red_eyes, short_twintails, simple_background, small_breasts, solo, steaming_body, string_bikini, sweatdrop, swimsuit, thigh_gap, twintails, white_background, white_bikini