[Asdlfjd. He's going to pretend not to be 1000% indignant. For explanation's sake. Honestly how do people not at least know this much, this is super weird.]
We live in the same world as you humans, but normally we can't be seen like this. [Any of this ringing a bell hello? He supposes this is why no one things they're real anymore, huh.] We have different abilities and life spans than humans do, and a seraph that gives blessing to an area keeps away impurities from that domain...