This story follows a group of teenagers that discover what their school was hiding. The moment they opened a mysterious book in the school library they got sucked inside a world where people there never age, when they turn themselves to the wizard if he knows how to get back to the normal world, he said the only way was to complete quests, in the end the wizard betrayed them by leaving them in the world. Will the wizard go back to save the protagonists? Read this webtoon to find out!