Mahoutsukai Tai! (TV)

The aliens have been defeated, and the Bell has been transformed into a gigantic cherry tree. Now, the brave Magic User's Club must reconvene to deal with a new problem. Apparently, some inconsiderate persons left a skyscraper sized cherry tree in the middle of Tokyo, and it's become a major inconvenience to everyone in the city. Even though they have no idea who could have done such a thing, the Club feels strangely responsible and springs into action. Meanwhile, a mysterious person is spying on the magic club in the form of a small boy. (Source: ANN)An alien lifeform, in the shape of a bell, descends to Earth. Although the entire world's military hasn't been able to defeat it, it doesn't seem like it's trying to bring anything bad to Earth. Round 'Bells' about the size of a small house appear in the normal world, and they adjust themselves to regular life; waiting for a traffic light before crossing the street, waiting in line at the supermarket, and so on.