Re: Mahou Shoujo

is a Japanese manga series written and illustrated by Shiyota Kon. The manga was serialized on ComicWalker and published in Japan by ASCII Media Works under the Dengeki Comics NEXT imprint from December 2013.

Synopsis
After once being very popular in her generation, the magical girl Klan mysteriously vanished. But after 7 years, she has finally returned! Not just her height, but her attitude and even her breasts have gotten bigger! Watch her battle as her voluptuous body is literally bursting out of her clothes!

(Source: Manga Updates)