1girl, batayu, bikini, blush, bracelet, breasts, brown_eyes, brown_hair, cleavage, collarbone, day, earrings, idolmaster, idolmaster_cinderella_girls, jewelry, large_breasts, looking_at_viewer, navel, necklace, one_eye_closed, open_mouth, outdoors, smile, solo, swimsuit, totoki_airi, water, yellow_bikini