Bannou Bunka Nekomusume Dash!  

All Purpose Cultural Cat Girl Nuku Nuku DASH!, Cat Girl Nuku Nuku DASH!, נוקו נוקו דאש, 万能文化猫娘DASH!, Nuku Nuku Dash, Bannou Bunka Neko-Musume DASH!

The events you are referring to will likely occur in the near future. One day, Nuku-Nuku arrived and began living with the Natsume family. She had lost her memory and assumed the identity of Atsuko Higuchi, a kind and beautiful girl who was also an excellent cook. Ryunosuke, 14, was immediately drawn to her gentle demeanor and smile. However, after she arrived in Maneki City, strange occurrences began to take place. Machines that were being experimented with malfunctioned, fighter jets flew low overhead, and there were instances of mass destruction in the city. In each case, a mysterious girl was seen at the scene of the incident.