idolmaster, idolmaster dearly stars, cute & girly (idolmaster), akizuki ryou, eto, 1boy, ahoge, arm cuffs, bare shoulders, blush, brown eyes, brown hair, bulge, cross, crossdressing, full-package futanari, futanari, jewelry, little penis, male, necklace, nipples, nipple slip, open mouth, pantsu, penis, penis in panties, shimapan, short hair, shota, sitting, skirt, skirt lift, solo, strap slip, striped, thighhighs, trap, underwear, wrist cuffs, potential duplicate