SMA-110 - Incestuous Diagram: Mature Mother Intercourse - Rui Ayukawa

For some reason, I get the urge to watch Rui Aikawa's work every now and then. I don't even know what it is about this look of pure misery that draws me in... It's like a fermented food; it might be pungent, but you just can't help but get addicted to it.