M×0 is a manga series created by Yasuhiro Kanō. It was published in Weekly Shōnen Jump and ran from May 1, 2006 to May 19, 2008. It is about a boy named Taiga Kuzumi, who ends up enrolled in a magic school while trying to find a girl who laughed at him. Due to a chain of events, people think he has great magic skills, but he actually can't use magic at all. Taiga has to keep his cover and make sure no one finds out.
One of the Students is Mikako Kon aka miss balloon she can use Balloon Girl's Magic that allow her body to inflated like a balloon.