That...sounded ominous. The way Nigredo refused to meet his gaze paired with the understandably somber tone surrounding him culminated in an atmosphere that had Ritsuka's tail swishing in agitation. He didn't like this and it was clear, but his worry for his friends outweighed his misgivings and anxiety over Nigredo's announcement. At the very least, going with Nigredo would tell Ritsuka where his brother slept. Just in case, he thought. Just in case they disappear, too.

"...Okay. But tell me your room number?" Both of them. He had to make sure to keep track of both of them. After losing so many, after nearly watching Nigredo die, he wasn't about to let either of them go without a fight. He knew that losing Nigredo would kill Albedo, just as he knew that losing Albedo would scar Nigredo. The bond of brothers, a fear of death - no matter what Albedo said, they were still very much human to Ritsuka. "I'm M35 in case you ever need it."