After accidentally traveling to a parallel world, Li Changan became the propaganda officer of the army. He originally wanted to make a recruitment propaganda film according to the requirements of his superiors, but when he found that most young people in this world were living in dissipation, Li Changan made a film called "Soldiers" instead. "Assault"! Army chief: How come the promotional video has become a phenomenon-level TV series? A TV station: Our ratings have never been so high! Recruitment Publicity Office: There are too many people signing up this year, please send more leaders Come here! Li Changan: Where are you? A few years later, groups of young people who were influenced by Li Changan's works solemnly swore under the red flag: I am willing to use my youth to