Magic User`s Club OVA

An alien lifeform, in the shape of a bell, descends to Earth. Although the entire worlds military hasnt been able to defeat it, it doesnt seem like its 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. The students in the Magic Users Club dont believe that its as innocent as it seems, and the club president goes off, together with his vice-president, and their three new members to defeat this Bell - not to mention that half of the members arent even able to fly yet!