yachan, himesaki rinami, gakuen idolmaster, idolmaster, absurdres, highres, arms up, bed, bed sheet, black pantyhose, blue eyes, bra, breasts, brown hair, collarbone, hair between breasts, holding, holding ribbon, large breasts, looking at viewer, lying, midriff, miniskirt, navel, nervous smile, on back, on bed, open mouth, panties, pantyhose, pillow, pink bra, pleated skirt, ribbon, skirt, smile, sweater, thighs, underwear, upskirt