[ShiftAltOn (Tonda)] The Test Subject M (Fate/Grand Order)

Mash Kyrielight volunteers as the perfect test subject for a 'mating experiment,' where a team of muscular, dark-skinned researchers armed with orgasm-enhancing mystic codes put her petite body through every trial they can devise. What starts as her first trembling climax quickly spirals into hours of relentless deepthroat servicing, double penetration, and x-ray close-ups of her stomach swelling with every load she is forced to absorb and convert into magical power. Even after five hours leave her ahegao-faced and drenched, the scientists decide their cute onahole still has a few more rounds left in her.