In a not-too-distant future, humanity has established a loosely organized world government with everything managed by an international AI network called Sapientia. People live peaceful lives by loyally obeying its rational decisions. However, Sapientia's lunar development project, which sends criminals and pollutants to the Moon to maintain Earth's peace, creates disparity and poverty on the Moon, sparking a catalyst for war. Jacob "Jack" Shadow gets caught up in this conflict after losing his family to a terrorist bombing by the Moon's rebel army. Vowing revenge, Jack joins the Earth army as a scout on the Moon, only to discover an unexpected leader among the resistance forces.

An anarchistic country that is said to dominate the world exists on a vast island known as Moekko Island. This is where the final works of AC Company's android combat maids (resembling beautiful young girls) are done, also where these maids get there communication training. A new maid is to come to the island to be trained, Rinia, she is a young looking girl, who has lost her all of her memories, she tries very hard to impress the owner at Moekko island, but just ends up making a lot of trouble around the mansion. Takahiro, the owner of Moekko island, a depressive young man who has also lost his memories is seen as a very unhappy person who thinks Rinia will only be trouble around the mansion. As time passes, Takahiro slowly grows attached to Rinia's attempted ways of helping and so starts a beautiful relationship among the quiet island.

In a world plagued with malicious ghosts, how is it possible to combat the existence of such evil spirits? The answer is to hire a "Ghost Sweeper"—a professional exorcist, whose duty is to exterminate any unwanted ghoul or poltergeist. When it comes to Ghost Sweepers, Reiko Mikami is considered to be a cut above the rest. After receiving an offer to examine a haunting near Jinkotsu Hot Spring, she sets off to put her skills to work. Accompanied by her assistants, the underpaid and perverted high school student Tadao Yokoshima and the friendly teenage ghost Kinu Himuro, GS Mikami details the wacky exploits and adventures of these three as they go about investigating paranormal activities. [Written by MAL Rewrite]

Recap of the first 12 episodes of from Noi's point-of-view.