Lonely thirty-seven-year-old Satoru Mikami is stuck in a dead-end job, unhappy with his mundane life, but after dying at the hands of a robber, he awakens to a fresh start in a fantasy realm...as a slime monster! As he acclimates to his goopy new existence, his exploits with the other monsters set off a chain of events that will change his new world forever!

The new spinoff manga to the hit fantasy isekai series, developed by original creator Fuse! Against the odds, the little slime Rimiru has established his magical kingdom for all monsters, called Tempest, and it's thriving. But three visitors, Phos the fox girl, Stella the dragon girl, and Frey the winged girl, come to pay Tempest a visit, they're stunned at just how quickly it's developed. Don't miss this new story in the world of Slime, just as the second season of the anime arrives! With a concept and story by Fuse, the creator of That Time I Got Reincarnated as a Slime, Trinity in Tempest is the grand tour of Rimiru's world that fans have always wanted. Through the eyes of three cute little monsters, one from the fox clan, one from the dragon clan, and one from the winged clan, readers will meet the residents of the utopia in Jura Forest, and get a peek at how they live their lives. The little group's leader, Phos, is a fox girl from the Beast Kingdom of Eurazania. But this isn't just a pleasure trip for her... she's visiting Tempest on secret orders from Lord Carrion. What would a demon lord want with Rimiru's monster paradise?

AN INEVITABLE CRUSADE With the help of Queen Ramiris, the children are now in stable condition and should lead normal lives, much to Rimuru’s relief. But all is not well… In fact, there are forces of humankind in this fantasy world that do not look kindly upon a slime-led nation of monsters. And now, insidious threats to Rimuru and the country of Tempest may be lurking around every corner!

Being reincarnated as a slime into a fantasy world is one thing...but being reincarnated as a slime back into corporate life?? What could be more hellish? Not to mention the rest of the Slime fantasy crew are working at the company...for better or worse, Rimuru is back in business!

The Jura-Tempest Federation is a vast melting pot of monsters from all walks of life, and they're finally making waves in the wider world around them. Their leader, Rimuru, decides it's time to compile a Tempest guidebook-and there's no one better for the job than a local rabbitfolk girl with a knack for travel reviews! Follow her adventures in this unique That Time I Got Reincarnated As a Slime spin-off where you'll see the sights and learn the customs of this massive monster nation!

"Living alone and never having had a girlfriend, 37-year-old Satoru Mikami is dissatisfied with how his life has turned out. But after dying at the hands of a robber, he awakens to a fresh start in a new world...as a slime monster"--

With a concept and story by Fuse, the creator of That Time I Got Reincarnated as a Slime, Trinity in Tempest is the grand tour of Rimiru’s world that fans have always wanted. Through the eyes of three cute little monsters, one from the fox clan, one from the dragon clan, and one from the winged clan, readers will meet the residents of the utopia in Jura Forest, and get a peek at how they live their lives. The little group’s leader, Phos, is a fox girl from the Beast Kingdom of Eurazania. But this isn’t just a pleasure trip for her… she’s visiting Tempest on secret orders from Lord Carrion. What would a demon lord want with Rimiru’s monster paradise?

"Living alone and never having had a girlfriend, 37-year-old Satoru Mikami is dissatisfied with how his life has turned out. But after dying at the hands of a robber, he awakens to a fresh start in a new world...as a slime monster"--

The hostile human nation of Falmuth staged a devastating attack on Tempest, the peaceful land of monsters. Now, in order to bring back the dead and protect the living, Rimuru is determined to become the most feared of beings: a Demon Lord. But this evolution comes at a terrible price, and the assailing humans will soon realize how poorly they’ve chosen their enemy…

Welcome to “That Time I Got Reincarnated As a Slime,” 4-koma spinoff-style! Unlike the original story, you’ll get to enjoy the everyday lives of Rimuru and his friends in abundance! With art by Shiba-sensei! In volume 3, Rimuru journeys to human kingdoms to initiate diplomatic agreements, and meet the children that Shizu left behind! But, everyone back in Tempest is just a little bit lonely…

After having a little too much fun collecting data for the next volume of her guidebook, Framea finds herself penniless with little income to speak of. After consulting her boss, Rimuru, he decides to let her use his card in place of the money she lacks. But after her initial reluctance to spending his money, Framea starts seeing brand-new, three-star cuisine and clothes, and she just can't say no! As she begins to worry about her reckless spending, the kingdom's greatest troublemakers pay her a visit...

Over the course of his new life as a slime, Rimuru has overcome many trials and tribulations—aggressive neighbors, treacherous plots, deadly beasts—to build his very own nation of monsters. For a change of pace, he's decided to engage in a diplomatic tour of the nearby human kingdoms, where he might have found his most challenging adversary yet: a classroom of rowdy children! Can he live up to the memory of his long-lost friend Shizu by taking care of her former pupils?

An eerie barrier surrounds Tempest, and townspeople begin falling to the ground, one after another, only for merciless human soldiers to attack them! The trinity of Phos, Stella, and Nemu race through the bloodied town. Can this curious trio bring peaceful days of smiles and good cheer back to this industrious land of monsters? The infamous disaster that befalls Tempest is retold from the Trinity’s point of view, in this third volume, with story and supervision by series creator Fuse!

With a concept and story by Fuse, the creator of That Time I Got Reincarnated as a Slime, Trinity in Tempest is the grand tour of Rimiru’s world that fans have always wanted. Through the eyes of three cute little monsters, one from the fox clan, one from the dragon clan, and one from the winged clan, readers will meet the residents of the utopia in Jura Forest, and get a peek at how they live their lives. The little group’s leader, Phos, is a fox girl from the Beast Kingdom of Eurazania. But this isn’t just a pleasure trip for her… she’s visiting Tempest on secret orders from Lord Carrion. What would a demon lord want with Rimiru’s monster paradise?

During his rise from a humble slime to the chancellor of the Jura Tempest Federation, Rimuru has tackled his fair share of trials and tribulations. But this latest challenge is unlike any he has faced before–a challenge where the lives of loved ones hang in the balance. While there is a solution, it may involve the most drastic cost yet…

37-year-old Satoru Mikami got a new lease on life when he was reincarnated into another world...as a slime named Rimuru Tempest. But with the help of his wits, his newfound powers, and a little luck, he's started building a cross-species village of goblins, direwolves, and dwarves! Rimuru doesn't know it yet, but his arrival is bringing major changes to his new world...

COMMANDER IN GRIEF Milim is now a resident of Tempest, but her presence there sets off a chain of events that begins with the entrance of a rival demon lord’s servants. Rimuru, as the leader of the Jura Forest Alliance, must swiftly and delicately handle this potential threat, but it won’t be easy to do so while managing the behavior of an all-powerful yet child-like demon lord and leading an entire nation of monsters…

Rimuru and everyone from “That Time I Got Reincarnated as a Slime” fame are back… this time as office workers!? The official and unique spin-off’s long-awaited second volume is finally here! The darkness surrounding Tempest Corporation grows deeper and deeper. Rimuru, back as the office worker-turned-slime, along with Shuna, Shion, and the rest of the General Affairs Division, will have to survive long enough to meet all of the company’s insane demands…! What will they have to do next?!