Kids come with their own issues, unless they are very young. Kazusa wasn't so bad, but she was a strange little girl and they were more focused on Hijiri besides. He still felt a little bad about all of that, even if it wasn't much his fault.

Later cases, though... well, he didn't want to go there.

"We do a lot of missing persons cases." It's a simple explanation, and not a complete lie. "Usually fairly generic stuff."