According to the tradition of the Solandu Empire, young people aged 15-20 (mandatory for men) with the aristocratic title "Ting" in their names need to join the Royal Guards in the imperial capital of Kalyanka to serve the emperor with honor for five years. Therefore, the six vassal states of the Solandu Empire have sent their direct blood relatives of appropriate age to show their allegiance. As a sign of respect for tradition, the only son of the current Queen Helena II and the first heir to the empire, Agero Ting Stellhope, cannot be an exception and enters this honorary unit to complete the responsibilities of the nobles' five-year military career. However, the frightening thing that makes all the members of the Imperial Security Bureau perforate their stomachs is that for at least three years, the Guards will have seven "ordinary" members with the word "ting" in the middle of their names, who are above the marquis and are classified as first-level and special-level protection targets. According to military discipline, no nobleman is allowed to enjoy special treatment beyond military rank while serving; but in addition to their status as privates, these seven people themselves are the objects of protection of the Guards. Therefore, when these seven young privates (including a non-commissioned officer) with an average age of only 15 years old used their young people's innate ability to cause trouble and disappeared collectively during a foreign affairs trip... A disaster no less than the explosion of star field division befell the powerful Solandu Empire. The Director of the Imperial Security Bureau and the Chief of the Royal Guards went crazy at the same time. At the same time, seven young Guards soldiers who boarded a civilian spaceship full of conspiracy purely by accident, uncovered a secret while drifting among the stars...