Katatsumuri-chan

is a japanese 4-koma manga series written by Imai Kami. It began serialisation in the December 2004 issue of Manga Time Kirara.

The series was released under 5 volumes from May 2006 to July 2011.

Synopsis
One day, the mysterious girl, Katsuma Mai, who transferred to another school, is empty, her eyes are screaming from her head, and by all means it's a snail! However, there is no doubt about the surroundings !?