A Certain Substitute Shinigami

With his school year nearing an end, Ichigo and his classmates take a trip to the most advance city in the world, Academy City. Seems like a normal enough trip right? But when he runs into a boy named Touma, who possess a incredible power know as Imagine Breaker, the two are faced with a threat that neither one has ever seen before. When Magic and Science cross, a story is born.