idolmaster, the idolm@ster: sidem, mizushima saki, ereraero, censored, pointless censoring, 4boys, anal, androgynous, black legwear, blush, brown hair, crossdressing, double v, green eyes, hairband, looking at viewer, male, male focus, male pubic hair, multiple boys, multiple penises, navel, nipples, open mouth, otoko no ko, penis, precum, pubic hair, sex, shirt lift, skirt, solo focus, testicles, thighhighs, tied hair, trap, twintails, v, yaoi