gpt
Vlad:  Vlad laid out his theory, Kaito didn’t offer a single interjection. His head was nestled in Hina’s lap, and the rest of his body was lying atop the solemn stone floor. They had already left the World’s End. Now they were back at Elisabeth’s castle. Hina, Lute, and Izabella were resting in the castle’s owner’s empty bedroom. Vlad was floating in front of the three of them. His legs were crossed gracefully, and he was silent, his lecture now complete. Kaito remained on his side, not saying anything. Beads of cold sweat were welling up on his forehead. His teeth were clenched tight as he tried to endure the waves of pain coursing through his body. Every few minutes, he lapsed into violent coughs and spat up blood.
human
Hina:  Hina wiped the blood away so it wouldn’t flow back into his trachea, she stroked his brow. “Please, Master Kaito, get ahold of yourself. Oh, whatever am I to do…?”
gpt
Vlad:  “…Are you quite all right, my dear successor? Or did perhaps my explanation go to waste?”
human
Kaito:  “…Don’t worry…about that… I heard…it all—Gah!” Kaito let out another pained cry.
gpt
Hina:  Hina helplessly mopped the sweat off his forehead. Kaito tried to suppress the pain gushing from within him so he could think Vlad’s explanation over.