human
Rem:  "My, it seems he has awakened, Sister."
gpt
Sister:  "Yes, Rem. He is awake."
human
Subaru:  When he next awoke, two girls spoke, their voices sharing the same timbre. He was in the same soft, comfortable bed as before. The slight opening of the curtains let in the dazzling rays of the sun, burning sleepy Subaru’s eyelids. He instinctively assumed it was morning. "Ugh, I’m not so much nocturnal as I am a denizen of the night. Waking up in the morning makes my chest burn…" Wide awake, Subaru sat up as he remembered that his day and night cycles were inverted while school was out. He looked around, rotated his shoulders, and shifted his hips toward the window as he looked in that direction.
gpt
Sister:  "Dear Guest, it is now Seven Solartime."
human
Rem:  "Dear Guest, it is about Seven Solartime." Their friendly voices conveyed the time of day.
gpt
Subaru:  "That being the case, if you don’t count the wake-up earlier, I’ve slept for about a whole day, huh? Well, my record is two and a half days, so this is no big deal, really."
human
Sister:  "Sister, did you hear? Quite a lazy thing to say."
gpt
Rem:  "Yes, Rem, I heard. Quite a good-for-nothing thing to say."
human
Subaru:  "So who’re these ladies who’ve been chewing me out in stereo here?