Yamada's parents have gone abroad. Worried about him staying alone, they hired a maid to look after him. The problem is that the maid seems... more>> to be a delinquent who takes her job very seriously. Nothing will stay the same for Yamada anymore. <<less

Riki has been reassigned to a different department in the police department. Riki, disliking paperwork, is glad to hear that he doesn't have to do... more>> any paperwork since his new assignment is to test drive a new vehicle secretly invented within the department. The new vehicle, however is beyond Riki's imagination; a talking car covered with a mascot girl on all sides. The car is a "Patrol Car with Artificial Intelligence & Technical Illustration" named Pattie 2000 and it talks like a human. A car that can talk, react to situations quickly, and has all sorts of technological advancements such as maps appearing on glass... and it can transform into a girl!?!? Technology is grand, isn't it? <<less