1girl, bikini, braid, breasts, brown_hair, cleavage, collarbone, dot_nose, frilled_bikini, frills, from_above, head_wreath, idolmaster, idolmaster_shiny_colors, large_breasts, long_hair, looking_away, pekoni_(peconi), pink_bikini, pink_eyes, poolside, sitting, swimsuit, tsukioka_kogane