1girl, ahoge, bikini, blonde_hair, blue_eyes, blush, breasts, cleavage, cloud, groin, hachimiya_meguru, hand_to_own_mouth, idolmaster, idolmaster_shiny_colors, kneeling, large_breasts, looking_at_viewer, mole, navel, outdoors, outstretched_arm, round_teeth, side-tie_bikini_bottom, solo, starblue, swimsuit, teeth, waves, white_bikini