human
Subaru:  “—” Pink-haired and blue-haired twin sisters looked upon Subaru’s determined face in surprise. Subaru, blushing to the tips of his ears, buried his face in the pillow to hide it.
gpt
Subaru:  “What! You were there?! Then you should’ve said something! Aw man, I’m so, so embarrassed!” The fact that they’d stopped rousing him awake two days before made him careless. To think that both of them would visit on that particular morning… As usual, the twins’ expressions did not change much as Subaru groaned on top of the bedding. Though it did seem like they were fighting the temptation to point at him and break out laughing.
human
Subaru:  “Er, hold on, you two. I mean, that reaction kinda hurts. I’m a delicate soul here. There are other reactions, right? !” He was looking forward to their at least engaging in the cold verbal abuse to which he was accustomed. —Subaru realized afterward that it was quite awful for him to actually be looking forward to the verbal abuse.
gpt
Rem:  “Sister, Sister. He’s greeting us as if he knows us somehow.”
human
Ram:  “Rem, Rem. He’s greeting us in a very chummy fashion.” It didn’t feel right. Their murmurs brushed against something in the back of Subaru’s mind.
gpt
Subaru:  “Er, ah? Something weird? My seniors coming to wake me up is one thing, but playing pranks on me is bad taste, you know?” Certainly the two were always blunt, but—something felt off. As Subaru spoke, he began to realize why he felt that something was off with them. —Their eyes. The way they looked at Subaru. The familiarity from the previous night was gone; they’d gone back to treating him like a complete stranger. Then, decisive proof came flying at him.