1girl, bikini, blush, breasts, cellphone, cleavage, curtains, dress, earrings, etsutsuni, frilled_bikini, frills, glasses, glint, holding, holding_phone, idolmaster, idolmaster_cinderella_girls, indoors, jewelry, long_hair, looking_at_viewer, medium_breasts, navel, necklace, phone, purple_eyes, purple_hair, red_bikini, selfie, smile, solo, strapless, swimsuit, yagami_makino