human
Subaru:  “This is bad; don’t tell me this is…? !” Feeling a chill that came not from cold but from fear, Subaru nervously put his hands on the floor. But with the shaking already spreading through his whole body, his arms could not support him.
gpt
Subaru:  When he got up, his knees felt creaky enough to break apart; Subaru was aghast at how sluggish and nauseated he felt. “S-somebody…” Subaru’s heart rate, so strong just earlier, had weakened, and his breathing was hard as he left the room.
human
Subaru:  He wanted to call for help, but his raspy voice caught in his throat. His legs were cramping as if his lungs weren’t accepting oxygen from the dry air that hovered in the dark corridor. This is bad, was the thought that dominated the back of Subaru’s mind.
gpt
Subaru:  He didn’t have any tangible understanding of what was happening to his body. The one thing he did know was that his life was in danger. Subaru sluggishly walked forward, groaning as he made his way toward the stairway going up.
human
Subaru:  Each step through the familiar passageway was labored enough that it seemed to shave off another piece of his soul. “Haa…haa…” Reaching the stairs, he climbed up one step at a time on hands and feet.
gpt
Subaru:  He wondered how long it would take him to reach the top. Just thinking about it deflated Subaru as he crawled deeper into the hallway.
human
Subaru:  The insides of his body seemed to be melting; he felt like everything was turning into some kind of soup. The vomit that welled up dripped from the corner of Subaru’s mouth onto the corridor; his face was stained with tears.
gpt
Subaru:  Subaru, crawling so pathetically, had only one thing, one person, in the back of his mind. —Emilia. Emilia. Emilia. I have to get to Emilia.
human
Subaru:  Responsibility, or perhaps duty—Subaru was driven by an emotion he couldn’t put into words. In that moment, Subaru had none of the self-preservation instinct common to all species.
gpt
Subaru:  Subaru, crawling his way to Emilia’s room, was already barely breathing. His arms too weak to bear the weight of his body, he leaned against the wall and slid his way forward.
human
Subaru:  Anyone watching would have felt less pity than disgust at his having lost the dignity of walking upright like a man. “—” His whole body was sluggish. His breaths were ragged as his ears continued their high-pitched ringing.
gpt
Subaru:  So it was pure happenstance, one might even say dumb luck, that Subaru noticed the strange sound. —The sound he noticed was like the clank of a chain.
human
Subaru:  Getting a bad feeling, he stopped moving. His shoulder slid down the wall; he pressed his head against the floor. “—Uh?” The next moment, an impact blew Subaru back.
gpt
Subaru:  Subaru’s body, flopping to the floor but a moment before, flew. He bounced several times, his face literally wiping the floor, as Subaru realized something had hit him incredibly hard. There was no pain.