shouno kotarou, akizuki ryo, idolmaster, idolmaster dearly stars, bad id, bad pixiv id, 00s, 1boy, androgynous, animal ears, antenna hair, bare shoulders, black thighhighs, bottomless, brown hair, bulge, cat boy, cat ears, cat tail, collarbone, crossdressing, crossdressing (mtf), detached sleeves, male focus, navel, no pants, panties, penis, penis in panties, penis peek, shota, solo, tail, thighhighs, trap, underwear, underwear only, white panties