Mitsuha Yamano falls off a cliff, at which point she finds herself transported to some sort of medieval European fantasy world! While there, during a battle with some wolves that almost costs her her life, she realizes that she has the ability to come and go between Earth and this new world. Mitsuha decides to use this ability as much as she can. Why? To save up for retirement, of course! She sets her sights on saving eighty thousand gold coins—and this is the story of her schemes to get there!

Rougo ni Sonaete Isekai de 8-manmai no Kinka wo Tamemasu was published digitally in English as Saving 80,000 Gold in Another World for my Retirement by Sol Press from April 26, 2019 to December 14, 2020, print release started on September 27, 2019. Sol Press published only two volume, they went defunct. The series has been published in print by Kodansha USA under the Vertical imprint since April 18, 2023.