He has to think for a moment, trying to find a topic that isn't going to bother either of them. In the end he decides family is probably the safest option, if the fondness Izunia's shown so far is any indication.

"Tell me something about him? Your brother." Curious and he can't help wishing he had his journal with him to take notes. "A happy memory. Maybe a time you got into trouble together or something?"

Something to make them both a little more human and less imposing. A living legend.