Earth Warning summary:

In order to find out the strength of the earth, the alien Xi Guang went undercover on the earth as a student. He mistakenly believed that the science fiction-themed comics and movies on Earth were a display of Earthlings' capabilities in simulating interstellar warfare, so he resolutely joined the school animation club. Because of the generation gap between aliens and earthlings, a series of hilarious incidents occurred!Xi Guang's undercover life, which seemed to endure humiliation but was actually ridiculous, was unfolding all the time!