Actually, Five, he's just an honor student who trained himself to retain short term information after writing it down once. He notes to himself that these children all had numbers at a point, which points even more at horrifying child raising cult but that's none of his business. Hopefully the cult taught Five how to keep from giving himself alcohol poisoning.

"Nothing particularly noteworthy," Mingyu answers instead, lips thinning as he recalls what he had in fact been up to prior to arriving here. Drinking himself blind, having passed the first anniversary of Fox's disappearance which felt like a significant milestone somehow. Hope and determination starting to feel like denial. But Five is almost certainly not asking for the details of his deep depression, so he tries to figure out what exactly Five is asking for.

"Are you interested in something in my time period in particular?