"I... it was my fault. And this isn't me being a self-blaming martyr or something stupid like that." Frisk clenches their fists, looking down. They know this is a dumb thing to lay on Kuja, considering he's done much, much worse in his own time. But they still can't help but to feel bad about it. "I wanted to run away from the orphanage, we got into a fight, and... she got hurt really badly."