Under the blessings of the gods, a leisurely otherworldly life unfolds with slimes! Ryuma Takebayashi, a middle-aged Japanese salaryman, met his end due to illness. Despite being a failure in life, after death, Ryuma is invited by three gods to reincarnate as a child in a world of swords and magic! Favored by the gods, Ryuma lives a carefree life alone in the forest. While focusing on magic and hunting, Ryuma's greatest interest is surprisingly researching the slimes he commands! Leading various slimes (including new breeds), interacting with honest and kind villagers, he celebrates his second life. An otherworldly slow-life fantasy story officially begins!