As a time traveler from the Harry Potter universe, Vilan Costa always considered himself lucky. This was because in the timeline he traveled to, the infamous Voldemort had just reached the pinnacle of his power when he was assassinated by an unknown powerful wizard. He and Harry enrolled at Hogwarts at the same time, studying together in Gryffindor House. Harry lacked the lightning-shaped scar and the reputation of a savior, but he had both parents and a happy family. Vilan spent his first three years at Hogwarts uneventfully, until the summer vacation of his third year, when everything changed. His right eye developed a problem. After several days of unsuccessful treatment, it gained a unique ability—in short, it could accurately detect tiny marks on objects...

Thousands of years have passed, and the Invisible Empire has returned. But before them stand three insurmountable mountains. ——The invincible numerical monster, the super hybrid, the "All-Killing" Captain of the Thirteenth Division, Ichigo Kurosaki. ——The Touching and Inspirational Emperor, the Lord of the Soul King Palace, the "Dream Collapse" God King Aizen Sosuke. ——The veteran time traveler, the System's favorite son, the "Fighting God" Second Generation Captain Shinomiya Takashi. ... "...I see, a nightmare? What a good omen." "Your Majesty, what are you talking about?"