"No, it..." He double-blinks at Fern, then frowns. "This isn't...these things could seriously hurt people if they're left unchecked, so I...I'm just trying to fill a need, you know? So there's less risk to everyone else."

Fun? Fun at work is clearing asteroids away from the track, from successfully evacuating a full train of stranded passengers...fun is for after the danger, for a job well done.

Fun in the midst of a gunfight or brawl? Couldn't be Manabu.