Embarrassed to be the only member of the Electric Brain Study Society who doesn’t own a computer, Akira Takaoka is thrilled when an electronics store advertises a PC9821 for only ninety-eight thousand yen. The deal is limited to the first five customers; unfortunately, by the time Akira gets there, the PCs are sold out. However, a mysterious man in the back alley offers him the exact same deal. Akira takes the deal, only to realize that this PC is not a 9821 version, but a 2198 version instead. It turns out that the PC2198 is an advanced bio-type computer that needs a nearly constant input of sperm to function! The PC2198, named Mimi, now has to defend Akira from the evil Apple Nacintosh sisters who want to take over the entire Japanese PC market. Will the embarrassed Akira be able to supply Mimi with what she needs to win?

We follow the daily life of Shen Shi, a young man looking for his brother. To find him, he goes to the Dali Temple. One thing led to another, he eventually became an officer for Li Bing, a senior official with the appearance of a white cat.

The story begins on a rainy night, when a homeless little black cat is brought home by a young girl Luo Xiaobai. She names the cat Luo Xiao Hei. However, Luo Xiao Hei is no ordinary cat: he is a supernatural entity that hosts several small creatures called Heixiu. As Luo Xiao Hei new life soon threatened by the mysterious Diting, who commands three winged wolves.

Somewhere in the MMORPG called "The World," a group is gathered at a pub, awaiting the start of an event. There, old friends and acquaintances are reunited, including those who rarely log on. Some are even forging new relationships for the first time. Together, invited by the hacker Helba, the group leaves for the event in the Net Slums where a celebration awaits them all. [Written by MAL Rewrite]