In this isekai for dog lovers, an office worker is transported to another world...with his loyal canine companion! Takumi often works overtime and gets home after dark. At least his beloved Maltese puppy, Leo, is always happy to greet him when he returns home. One day, Takumi wakes up in an unfamiliar forest...and right in front of an enormous wolf! Wait, could this gigantic canine actually be his once-little Leo?! With the help of a mysterious new magic power, Takumi will do his best to make a laid back, easy life for himself and his furry best friend!

Ryoma, the boy from another world, takes the opportunity to revisit the Jamil estate, where his fellow merchants Serge and Pioro and a friend's unexpected marriage are all converging. Ryoma's happy to help the young lovebirds-provided he can tear himself away from developing new uses for his slimes and expanding his business! There's more familiar faces and laid-back scenes to come as well, of course, and a stalwart (if dubiously attained...) new ally too!

Concerned by Gimul's changing social climate, Ryoma resolves to revive the city and eliminate the mastermind behind the city's decline, calling on the full strength of his connections to set in motion a plan that will revolutionize public policy and make the streets of Gimul safe! Meanwhile, the nine gods have a key detail about slime magic to share with Ryoma...

Under the protection of the gods, a relaxed life with slimes in another world begins!One day, the life of middle-aged Japanese businessman Ryoma Takebayashi came to a rather sudden and disappointing end. Ryoma had never had a blessed life, but after his death, three great gods sought his cooperation and reincarnated him as a child in another world with swords and magic!Receiving a most cordial and divine welcome from the gods, Ryoma decides to live leisurely on his own in the forest for the time being. Working diligently at magic and hunting, Ryoma's greatest passion comes to be researching his tamed slimes?! Training a variety of slimes (some newly discovered), the curtain rises on this easygoing life fantasy celebrating a second life with kind people in another world!