1girl, ;d, bikini, blue_sky, blush, bracelet, breasts, collarbone, day, eyewear_on_head, groin, heart, heart-shaped_eyewear, idolmaster, idolmaster_shiny_colors, jewelry, lens_flare, light_rays, long_hair, looking_at_viewer, multi-strapped_bikini, navel, one_eye_closed, osaki_amana, outdoors, sky, small_breasts, smile, solo, splashing, straight_hair, swimsuit, tinted_eyewear, toretate_saburou, very_long_hair, wading, waving