All the ordinary animals injected with the mysterious liquid died, but Little Black was unscathed; the only explanation for this phenomenon could be that Little Black had received a blessing from the Goddess. During the battle against the curse in New Ross City, it was Yuniya's blessing that had taken effect.
"Little Black, who was unharmed, was released from its cage and no longer experimented on. It was personally cared for by Mr. Butler. As you know Little Black, it's very perceptive and soon gained Mr. Butler's trust, earning the privilege to move in and out of the laboratory...."
Listening to this, Marvin could almost imagine Little Black's shamelessly ingratiating behavior. He had to admit, a gentle, well-behaved, and clingy kitty was indeed very likable.