The series follows Kazuto Izuka, an alien girl named Narue Nanase and the trials and tribulations of the young couple as they get to know each other.

The manga, spanning 12 volumes as of August 2011, is authored by Tomohiro Marukawa and published by Kadokawa Shoten since 2000.

Central Park Media licensed and released the show on a four-disc DVD collection in 2004 under their US Manga Corps label.

[3] Following the 2009 bankruptcy and liquidation of Central Park Media, ADV Films picked up the anime series for release on July 21, 2009.

[5] Kazuto Izuka is an average 14-year-old boy who one day encounters an abandoned puppy that turns into a space alien creature but is saved by schoolmate named Narue Nanase.