"Oh, um..." Nanoha paused, trying not to wince. "I guess you haven't been told about that part yet, have you? Well, the Ohm is the reason we're all here. They're... they destroy the worlds that the people here come from, and it's our job to fight them to stop it from happening more."

"I'm sorry, I know that's kind of a really big bombshell to drop all at once."