1girl, arms_behind_back, bikini, black_bikini, blonde_hair, blush, closed_mouth, flat_chest, hair_between_eyes, idolmaster, idolmaster_shiny_colors, landel, looking_to_the_side, navel, pink_eyes, saijo_juri, short_hair, side-tie_bikini_bottom, simple_background, sitting, swimsuit, white_background