The story follows , a high school student who unexpectedly passes an entrance exam for Nakano High School , only to discover it is a specialized training facility for secret agents. Despite having no innate combat skills, Eito uses his extreme determination and observational abilities to survive the academy's rigorous "spy" curriculum. Chapter 45 Highlights
: An ordinary teen thrust into espionage to uncover the truth behind his deceased father's secret life as an agent. The story follows , a high school student
: A top-tier student and assassin's daughter who serves as Eito's partner; she is often accompanied by her pet owl, Koton . The story follows