Fun this are absolutely critically necessary when one has been transported to a new star against their will and tasked with the job of saving their own world. Without fun things, people would just go crazy. And honestly Himeka would take the job of chasing a goat just as seriously.

"Do you remember which way you saw him go?" she asks as she hops down from the well. "With two of us I bet we can head him off before he gets too far."

Two heads are better than one, after all!