"Doraemon:+nobita+s+great+adventure+into+the+"
Doraemon: Nobita's New Great Adventure Into the Underworld - The Seven Magic Users
When Nobita turned the world into a world with magic with the what-if-telephone-booth-gadget, He and his world needed to defeat the threat that became reality in this world.
Doraemon: Nobita's Great Adventure in the World of Magic
Nobita requests of Doraemon the Moshimo-box and wishes for the world to become a place where the use of magic is possible. Witchcraft replaces science and technology and everyone makes use of it on their daily lives, except for Nobita, who, like usual, isn't very good at conjuring spells. Frustrated, he plans on returning things to their past state..