hiropon (iianbe), akizuki ritsuko, idolmaster, idolmaster (classic), idolmaster 1, 00s, 1girl, antenna hair, bed, black-framed eyewear, breast press, breast rest, breasts, brown eyes, brown hair, closed mouth, collarbone, dimples of venus, female focus, glasses, hair down, head rest, indoors, large breasts, long hair, looking at viewer, lying, nipples, nude, on bed, on stomach, smile, solo, window