Get that 2 billion yen for an easy retirement! And look at that—there's a little cutie tagging along! Having lost her family to a freak accident, eighteen-year-old Mitsuha Yamano was left to fend against the harsh world all on her own. She was at a loss, thinking about her future, when a mysterious entity gave her the power to jump between worlds. How will she wield it...? While at times Mitsuha can be a huge ditz, she's a tough nut to crack. She begins using all the modern tools and knowledge at her disposal to carve her own path in this money-making fantasy set in a medieval world!

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!

After growing up an orphan, Mitsuha has a healthy respect for money and a desire to live well-at least, until she dies after being pushed off a cliff. Waking up in a strange fantasy world, Mitsuha narrowly survives an encounter with a pack of wolves, then realizes she has the power to move between this world and the real one. A lesser person might embark on heroic adventures-Mitsuha instead immediately recognizes the lucrative possibilities of her new situation, and heads out to buy an arsenal of modern weapons. Her goal: to acquire 80,000 gold, and the life of leisure she's always dreamed of!

Mitsuha is your average teenage orphan-until one day she falls off a cliff, and finds herself in another world strangely akin to medieval Europe! Beset by wolves, she discovers she has the ability to travel freely between the two worlds, and decides to make a life for herself in both. Now all she needs to do is save up 80,000 gold coins for a comfortable retirement... Piece of cake, right?! No matter how out of control things get, Mitsuha keeps her cool, turning every hurdle into a business opportunity. From shopkeeper to war hero to viscountess, her meteoric rise seems unstoppable-but with each success comes new obligations and new costs. Does every step up just take her further from her goal??

One day, the supervisor in charge of watching over Earth was taking care of a distortion, when they made a mistake that caused Kaoru Nagase to lose her physical body. Not only that, but reincarnating her into a different, less culturally-advanced world is the only thing they can offer to do for her.nnNot one to take this turn of events sitting down, Kaoru makes a demand: the power to create potions at any time she pleases, with whatever effect she wants it to have—and it doesn’t stop there either. She asks for a magical Item Box, the ability to understand and speak every language, and the same body she had back when she was a fifteen-year-old girl. Using her newfound powers, Kaoru has to try and make a stable life for herself in a whole new world!

Thanks to her ability to freely travel between worlds, Mitsuha’s business is booming. One day, she witnesses a group of men trying to abduct one of her female customers. Mitsuha stops them with her stun gun, taking the opportunity to deliver a cool line she has always wanted to say... “I am the Lightning Archpriestess! Those in my way deserve no mercy!” After dealing with the would-be kidnappers, she discovers that the girl she saved is actually a princess! Just as Mitsuha tries to flee the scene, she is invited to the royal palace. Just how will our general store manager fare when called to an audience with the king?

War in Another World! With one success after another, and connections to nobles and royals alike, things are going well for Mitsuha's General Store. That is, until a neighboring kingdom launches a surprise invasion! At first, Mitsuha intends to stay out of the fray, but after being summoned to a war council meeting, a particular incident ignites a fire inside her. Will the Lightning Archpriestess be able to lead her adoptive kingdom to victory against their attackers?!