"You're a good person," Papyrus says, full of confidence in that statement despite having known Pomarr for all of ten minutes, if that. "Why would I need a reason to want to help you besides that?"

Good people, if they needed help, deserved help! She never wanted to hurt anyone, not really! She just wanted her life to be normal again. Nodding at Koltira's suggestion, he adds, "it's up to you! But I think you should join us! We're all from different places and worlds, but there's a place for all of us if we're together!"