Chikyuu Daisuki! Kikkun

What is Chikyuu Daisuki! Kikkun?

An extraterrestrial invasion takes an unexpected turn when Kikkun and the assigned team discover Japan's charm. Rather than conquer, they choose to protect the planet they've grown to love. This sci-fi comedy flips the alien-invasion genre on its head.

The anime centers on Kikkun, an extraterrestrial life form who came from a distant planet to invade Earth. But the invasion team members assigned in Japan finds the country comfortable, and now wants to protect Japan and Earth, forgetting their original motive. (Source: Anime News Network)