In a rare moment of peace, Rimuru Tempest finds himself drowning in paperwork and boredom. At the suggestion of Guy Crimson, the Demon Lords, True Dragons, and Primordial Demons decide to take a vacation to Rimuru's original world-Earth. Joined by Rimuru's unsuspecting teachers, Tiss and Jeff, the powerful group explores a world without magic, monsters, or battles, where even the simplest things seem fascinating. From fast food binges to high-end shopping sprees, their journey through Earth promises unexpected surprises, comical mishaps, and a break from the ordinary. But how long can these world-shaking beings hide their true identities? A lighthearted adventure full of humor, shock, and a fresh perspective on the mundane.