If you're looking for manga similar to Go Go! Purin Teikoku, you might like these titles.
The future is full of 'Legions,' robots that serve the needs of humans. Nanami, a fresh young graduate from the technician academy, is assigned to the 7th Prescient to be the repair technician for the Legions stationed there... Or so he thinks! When he gets there, he's greeted by a Female Legion who snaps when she runs out of donuts to eat. To vent her frustration, she starts throwing pieces of concrete at Nanami. Soon after, another female Legion tells Nanami that he's the new chief for the 7th Prescient. Unfortunately, the pieces of concrete that were thrown at him earlier were the remains of the 7th Prescient! Is Nanami the new chief of a pile of rubble?!
Hacka Doll app delivers a customized feed of news for each user. The user answers some simple questions when launching the app for the first time, and then the app will filter the news that caters to the user's personal interests. With daily use, the app automatically analyzes and learns which news articles the user reads and recommends to further personalize the feed. The anime personifies the app's customization engine as three "Hacka Dolls"—the personal entertainment AI and main navigator Hacka Doll #1, the anime expert Hacka Doll #2, and the knowledgeable otaku Hacka Doll #3.
Vandread Special Stage collects together several humorous side stories, as well as a final story arc where the Nirvana meets up with the rest of the Mejere pirates, so Hibiki must go in disguise...