1girl, ^_^, bikini, black_bikini, blush, breasts, brown_hair, cleavage, closed_eyes, collarbone, facing_viewer, hand_to_own_mouth, idolmaster, idolmaster_shiny_colors, large_breasts, long_hair, osaki_amana, sikimosh, smile, solo, sparkle, straight_hair, swimsuit, upper_body, viewfinder