1girl, blush, breasts, crop_top, dolphin_shorts, greyscale, idolmaster, idolmaster_cinderella_girls, jump_rope, jumping, matsuyama_kumiko, medium_breasts, midriff, monochrome, motion_lines, navel, ponytail, profile, purivizi3, shorts, sidelocks, simple_background, solo, sweatdrop, white_background