Originally started as short 14 episodes of 4-5 minutes animated series, Super Milk-Chan came back as Oh! Super Milk-Chan. The background story and the characters are still the same with the original series, however, it's more cynical and funnier with new digital animation element.

Here is the summary from the original Super Milk-Chan:

Milk-chan is a girl who lives in a house stuck on the side of a building with her two sidekicks: Tetsu-ko, a paranoid robot that looks like a bottle and Hanage, a green blob with a mustache. Milk is poor and she can't pay the rent, so she works for the president as a secret agent.

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Prequel: Super Milk-chan