Saving 80,000 Gold in Another World for My Retirement manga volume 5 was created by Funa and features art by Keisuke Motoe.

Mitsuha and her hired mercenaries, Wolf Fang, have just about wrapped up their battle against the invading Imperial Army and its monsters, wyverns, and dragons. And what awaits Mitsuha as a reward for her efforts but her very own viscounty! She's now a noble landowner in the other world at 18 years old?! So much for just trying to make gold for her retirement...