Kemeko Deluxe!

Sanpeita Kobayashi's gorgeous companion had to leave when he was a young child, but she made a promise that in ten years, they would reunite as husband and wife. Sanpeita is a high school student now, but he still remembers the emotions they felt together ten years earlier. After having a dream about spending his final day with her, Sanpeita wakes up to find his morning disturbed. In his bedroom, a strange robot girl fighting other robots while posing as his wife. None other than Sanpeita's long-lost childhood pal may be identified as the robot's pilot. But who exactly is she? Why was she forced to depart? What connection does she have to Mishima Electronics Corporation?