This continuation dives into the "body horror" and "inhuman antagonist" tropes you've established, focusing on the sensory disconnect of the void and Hespera's predatory curiosity.
Hespera didn't pull away. She leaned in until her cold breath fanned against Matsuda's cheek, a sharp contrast to the spreading heat in his gut.
"Is that all?" she hummed, her voice echoing as if from the bottom of a well. "I expected a symphony of terror. Instead, you give me... silence and copper."
With a slow, rhythmic movement, she began to pull her hand back—not in a single thrust, but inch by agonizing inch. Matsuda's vision blurred. The invisible floor felt like it was dissolving, leaving him suspended only by the anchor of her arm. He could feel the visceral shift of his own weight, the way his body tried to cling to the very thing destroying it.
"Look at me, Matsuda," she commanded.
His eyes flickered up, catching the slit-pupiled gold of hers. There was no hatred in them. That was the true horror—there was only the detached interest of a child pulling the wings off a fly to see how it would crawl.
As her hand finally cleared his skin, the "sickening squelch" was replaced by a hollow, ringing silence. He fell, a heap of shivering limbs on the dark expanse. He waited for the cold of the void to take him, but it didn't. He looked down. There was no hole. No blood on his shirt. Only the echoing phantom pain of her fingers and the faint, glowing mark of a handprint seared onto his skin.
"The body is such a fragile container," Hespera whispered, stepping over him like he was a discarded toy. "I think I'll see what else you're hiding in there."