It is rumored that there is an extremely mysterious student organization in School Z in City C, known as "Organization H". Whenever there is a large-scale and important event in School Z, members of this organization must be present. They can be said to be a line of defense. Their daily training is semi-military training, which has always been a legend in Z school. No one knows when they started training, but when you get up, it is when they return from training. No one knows that there is an X Squadron within this organization. Legend has it that this squad is a collection of the elites of the entire organization. Its members can be said to be "literally able to bring peace to the world with pens, and powerful enough to mount horses to determine the world." Therefore, there has always been a legend about it in School Z. This article is to lead everyone into this mysterious organization... The lives of the members of Squadron X.