human
Narrator:  Rem narrates that now that she finally had a day off, she spent it in a state of unease greater than anything she had felt before.
gpt
Rem:  “Oh, Sister… Subaru… Will they really be all right without my help?” Back in her room, Rem changed into her day-off uniform as per Subaru’s orders and proceeded to wander aimlessly in circles. She simply couldn’t sit still. To Rem, work was basically her whole purpose in life. And while she felt fatigue just like anybody else, the fact remained that this unexpected day off did anything but soothe her soul.
human
Rem:  “I think I’ll go check up on them after all.” Though Rem appeared calm and steady on the surface, it was actually quite a feat of endurance for her to stay in her room this long. This whole time, a sense of foreboding had been building in her ample chest.
gpt
Narrator:  Rem narrates that she soon emerged from her room, made sure the coast was clear, then started wandering around the mansion.
human
Rem:  “If I recall correctly, Sister and Master Roswaal are on kitchen duty, so I know where they’ll be…” First, she decided to check on her other half, the one she trusted most to get things done—Ram. Though she had a tendency to be lazy, Ram was actually more detail-oriented and responsible than Rem when it came to work. At least, that’s what Rem thought. And she hadn’t questioned Ram’s judgment when she chose to take on the cooking. She insisted to herself that she still wasn’t questioning Ram’s judgment… She was merely a hundred times more worried about her sister than usual.
gpt
Narrator:  Rem narrates that taking care not to make any sound, she walked across the carpet that lined the corridor on the ground floor of the manor’s main wing.