[Mettaton feels a twinge of discomfort when Asriel mentions the new planet. He doesn't want to explore it, but...if Asriel was going to go, then Mettaton might just have to suck it up. He doesn't intend to let the young boss monster go alone.]

It's alright if we can't. You're right, Rinzler's been quite hospitable so far. And besides, I'm certain they'll clear the regions! We just have to wait a little longer...

[Well.

He almost sounds convincing...]