Remus hadn't seen much of his housemates since arriving. After some snooping, he'd come to the conclusion that he was residing with Lucius Malfoy's grandson, which was in itself a very frightening thought, and Sirius' brother, whom he didn't know particularly well. All he knew was what Sirius had told him and the fact that he had been a Death Eater. He'd been killed by his own side, but Remus didn't know why. He didn't know if Sirius was aware of Regulus' presence here, but he didn't want to be the one to break that news.
Normally, Remus would be outside, but the novelty of actually having a roof over his head had him staying home today, just sitting on the sofa and savouring the feeling of four walls surrounding him. People really did take this for granted.
The front door opened and Remus looked to see who was joining him. The tone Regulus used to address him surprising him somewhat, Remus' expression opened up with curiosity, though he didn't smile. "Yes?"