aaaa (quad-a), akizuki ritsuko, akizuki ryo, idolmaster, idolmaster (classic), idolmaster dearly stars, bad id, bad pixiv id, highres, 00s, 1boy, 1girl, age difference, anal, anal fingering, antenna hair, antennae, anus, blush, boots, braid, brown eyes, brown hair, censored, cousins, cross, crossdressing, cute & girly (idolmaster), erection, fingering, glasses, hetero, incest, jewelry, male penetrated, necklace, onee-shota, open mouth, penis, pointless censoring, prostate milking, short hair, shota, spread legs, tears, thighhighs, tongue, trap, wristband