Synopsis: The Ultimate Weapon of the Kingdom, He Went to the Knight Academy as an Inferior Student.

At the Knight academy in the capital, a young man named Ain entered with the hopes of becoming a "knight" and gaining recognition for his talent and lineage. However, his orphanage upbringing in the church relegated him to the lowest level - the "Inferior" E class. Enduring ridicule from noble students and aristocrats, Ain embarked on his education. But looks can be deceiving, as Ain is actually one of the Phantom Knights - the kingdom's most powerful weapon crafted by the dark sides of the church - known only as "Nameless No. 1". As Ain juggles his secret identity and leading the "Inferior" class, he aspires to make friends at the Knight academy. Meanwhile, the school principal grapples with Ain's hidden potential as the kingdom's strongest warrior. Experience the enthralling journey of a young knight who defies aristocratic rule and strives to find his place in a world he feels out of touch with.