1girl, p, aga_marino, armpits, arms_up, blurry, blurry_background, blush, breasts, brown_hair, closed_mouth, collarbone, competition_swimsuit, hair_between_eyes, idolmaster, idolmaster_shiny_colors, izumi_mei, large_breasts, looking_at_viewer, one-piece_swimsuit, outdoors, red_one-piece_swimsuit, sitting, solo, swimsuit, thighs, tongue, tongue_out