hiropon (iianbe), akizuki ritsuko, idolmaster, idolmaster (classic), idolmaster 1, 00s, 1girl, antenna hair, bed, black-framed eyewear, breasts, brown eyes, brown hair, collarbone, condom, female focus, female pubic hair, from above, glasses, hair down, hand up, large breasts, legs, long hair, looking at viewer, lying, navel, neck, nipples, nude, on back, on bed, parted lips, pubic hair, solo, sweat