Milk-chan is a girl who resides in a house attached to the side of a building, accompanied by her two sidekicks: Tetsu-ko, a paranoid robot resembling a bottle, and Hanage, a green blob with a mustache. Milk is impoverished and unable to pay her rent, particularly after her attempt to extort a local ant family fails. However, she is rescued when the president himself offers her a job (a sort of secret mission). Milk-chan answers the phone to receive missions from The President by saying something like "Hello, Bank of Hokkaido. Just kidding!" After receiving her mission, Milk-chan and her sidekicks depart aboard the "Milk-6" helicopter to carry out her assignment. Did I tell you this is a spoof of 1970s spy thrillers or some sort of Bond movies?