The definitive manga for beginners in programming! Eita, an ordinary, energetic elementary school student, meets Argo one day, who has come from the near-future city of Qureo City in the year 2200. Troubles are occurring all over the city due to "bugs" lurking in everyday life, and the solution to these problems is "programming." Guided by Argo, Eita learns programming, but can he defeat all the "bugs" and restore peace to the city? A grand challenge to save the world with programming as a weapon begins now! The programming content featured in the manga is fully supervised by "QUREO Programming School," which operates over 2500 classrooms nationwide! Based on the school's curriculum, you can learn basic programming concepts such as "sequential execution" and "conditional branching" in each of the six chapters, while having fun with quizzes and puzzles! Presented to you who will live in the world of the future, the definitive introductory manga on programming is finally here!