A school comedy taking place in Tokyo in 2034. Copihan is a joint project of Gonzo and Kei, the illustrator of the manga version of Copihan who is best known for Hatsune Miku.

Since Justy Kaizard joined the Cosmo Police as a hunter, he has utilized his powerful psychic abilities to apprehend over two hundred criminal espers, including the notorious Magnamam Vega. Between his dangerous missions, Justy enjoys spending time with his two sisters—including the secretly adopted Astaris Vega, the daughter of the same infamous criminal Justy once killed. With the criminals of the galaxy upset at Justy's success, they begin to hatch a plan to rid the universe of him in order for their reign of terror to go unchecked.

Yui is an average schoolgirl who lives in a future where all computers are supported by a single global network known as COMNET. Yui is a computer-illiterate girl who after a computer-lab accident is approached by IR, a raccoon looking corrector computer program, which tells her she must save COMNET. She must stop the rogue A.I. (Artificial Intelligence) computer program known as Grosser and his hench-programs from taking over the world. Grosser was originally designed to be that manager of all of COMNET. At first she's very reluctant to play the heroine because of her complete lack of knowledge and ability with computers. To save COMNET she must find and gain the trust of the other seven wayward corrector programs. They must also find the creator or COMNET Professor Inukai, to help stop Grosser for good. (Source: ANN)

When a world of 2-D beings discovers the existence of our universe, they send a team of beautiful Domni-Matrixes into our world to prepare it for total integration. However, once liberated from their flat and dreary 2-D existence, Compiler and Assembler quickly discovered that cybersex with a couple of 3-D guys is a lot more fun than world conquest. Now, in between interfacing with their boyfriends, Assembler and Compiler must protect the Earth from being deleted by their former masters and an army of killer programs. (Source: ANN)