1girl, o, argyle_hairband, bare_shoulders, blush, breasts, cleavage, collarbone, eyes_visible_through_hair, flying_sweatdrops, greyscale, idolmaster, idolmaster_cinderella_girls, jewelry, koya_(koya_x_00), large_breasts, looking_at_viewer, monochrome, necklace, off-shoulder_sweater, off_shoulder, ribbed_sweater, sagisawa_fumika, solo, speech_bubble, sweater, upper_body