Karuki Sensen

is a japanese 4-koma manga series written by Ota Toraichiro. It began serialisation in the Vol. 1 Special issue of Manga Time Kirara.

The series was released under 1 volume in August 2004.

Synopsis
Karuki Mizuno, who transferred to the school where Aiba-kun, a very ordinary high school student, attended ... was actually an alien who came to invade the earth !! A countermeasure team was dispatched to intercept ...!? A little strange everyday 4-koma sortie presented by Toraichiro Ota !!