I'm Standing on A Million Lives, Volume 11 (I'm Standing on a Million Lives #50-54)

Earth isn't the only world where abusive bosses are allowed to run free! Former office flack Futashige holds the key to improving the lots of a town full of impoverished blacksmiths... but he's instead gone off to slay a monster on a nearby mountain, attempting to avoid anything resembling work. What he finds up there is a dragon - one that threatens to wipe out the local forces! Meanwhile, Yotsuya encounters someone he didn't expect to meet again... Can he rebuild old bonds, in this kingdom of exploiters and exploited?