Kyousuke's younger sister Namika has been living apart from him for ten years. One day, she returns and begins to live with him again, but she has turned into an energetic Osaka girl.

High school student Hajime Kindaichi is the supposed grandson of famous private detective Kosuke Kindaichi. Visiting Hong Kong for a fashion event with Kindaichi, our hero's girlfriend Miyuki is captured by a stranger in a case of mistaken identity. The journey to save Miyuki itself leads to yet another crime case... (Source: YTV)

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?

Extra episode of Nagato Yuki-chan no Shoushitsu bundled with the limited edition of the 9th manga volume.