shichimenchou, kurusugawa ayaka, otonashi kotori, idolmaster, idolmaster (classic), to heart, to heart (series), highres, 1girl, blush, bulge, cosplay, crossed legs, female focus, greyscale, hand on own hip, head tilt, hip focus, long hair, monochrome, neck ribbon, necktie, otonashi kotori (cosplay), panties, pantyshot, pencil skirt, ribbon, simple background, skindentation, skirt, solo, thigh gap, thighhighs, underwear, vest, watson cross, zettai ryouiki