All Purpose Cultural Cat Girl Nuku Nuku Dash

The Natsume family — Professor Kyusaku, his wife Akiko, and fourteen year old son Ryunosuke — take in a young woman by the name of Atsuko, who has lost her memory. Unbeknownst to all of them, Atsuko is an Androrobot prototype which has escaped from the power Mishima Corporation's research facilities.