Cat Planet Cuties

Cat Planet Cuties (あそびにいくヨ!) is a Japanese light novel series by Okina Kamino with illustrations by Eizo Hoden and Nishieda. The series, which consists of 20 volumes, was published by Media Factory under their MF Bunko J label from October 25, 2003, to February 25, 2015. A manga adaptation by 888 started serialization in the seinen manga magazine Monthly Comic Alive on August 26, 2006. An anime adaptation premiered on July 10, 2010. Funimation has licensed and dubbed the anime series in English with their in-house production voice cast and released it on home media in 2012. Manga Entertainment has licensed the series in the UK.

Plot
Kio Kakazu is a kindhearted, yet sophisticated guy who is living a dull and boring life on Okinawa. One day, after attending a funeral for the death of one of his ancestors, he meets a catgirl named Eris. Soon, he finds her sleeping next to him half-naked. She explains to him that she is an alien and that she has come to Earth to learn more about its inhabitants.

But unbeknownst to them, fanatical alien worshippers and mysterious organizations are in hot pursuit for Eris. To make matters worse, Kio's friends turn out to be a part of those organizations. Now it is up to Kio to protect Eris from these shady organizations. But does he have the bravery and skills to do that?

Drama CDs
A series of four drama CDs were released by Geneon Entertainment.

Video game
A video game adaptation Cat Planet Cuties ～Chikyû Pinchi no Konyaku Sengen～ (あそびにいくヨ！～ちきゅうぴんちのこんやくせんげん～) developed by Idea Factory was released on PlayStation 2 on July 27, 2006.