Wonderland is a fantasy adventure story with music and dance as the main clues, so it may be the Index of Forbidden Magic Books with another similar work. Although both Wonderland and Forbidden Magical Books were fantasy adventures, their story backgrounds and settings were different. " Wonderful Paradise " told the story of a group of musicians and dancers in the mysterious world in search of music and freedom." The Index of Forbidden Magic Books " explored the relationship between technology and magic, as well as the secrets of the students in the school city. Therefore, if he wanted to find an anime similar to Wonderful Paradise, he could consider the Index of Forbidden Magic Books.