Reborn to Master the Blade From Hero-King to Extraordinary Squire

The Hero-King Inglis has passed away. He wished to be reincarnated and live his own life, that is a path to master the blade. His wish was granted by the Goddess, and he is reincarnated in the future. But somehow, his gender is changed to female?!

In this life, Inglis chooses to become Rafinha's squire in order to master the blade. One day, when she reachs 12 years of age, she meets Eris. She is a hieral menace who has the ability to transform into the ultimate Artifact.

Holy Knight Leon declares his intention to betray the country, a magicite beast appears, and the situation becomes worse. When Inglis and Rafinha reach 15 years of age, they set off for the royal capital to become official knights.

Inglis engages in a battle with Hieral Menace Sistia. Later, a giant magicite beast attacks the city of Nova, which is ruled by a Highlander Cyrene. Furthermore, the leader of Steelblood Front also appears!

Inglis and Rafinha meet Leone, a girl who fights against magicite beasts in the city where frozen Prismer is enshrined. Together, they travel to the royal capital in order to enrol in the Royal Knights' Academy.

Classes at the Knights' Academy have begun. One day, Inglis and friends are selected for a special reccomendation test, the "Labyrinth of Ordeals". It was a labyrinth full of illusions where they were forced to retrace their own memories.

Having strengthened their bond, Inglis and her friends attend the inauguration party of the new Highlander ambassador. However, a large number of beastkin type magicite beasts have appeared. The cause of the raid seems to be related to Ripple the hieral menace.

Ripple the hieral menace has been taken care of by the knights' academy. Principal Miriela order the selected students from first-, second-, and third-years to exterminate the magicite beasts if they appear and to guard Ripple.

Rafinha is given a new Artifact that also has a healing Gift. Meanwhile, the third-years are fighting against a magicite beast, and Silva is injured!

After learning the Steelblood Front has a plan to attack, Inglis proposed ideas to save Ripple while protecting the king and the ambassador. That is, she sneaks into the ceremony as a maid.

The ceremony was a trap by Ivel to lure the Steelblood Front out. Realising that he had been taken advantage of, he commands Inglis in maid outfits to capture Ivel and crush the Steelblood Front.

Prismer, the most powerful magicite beast, is said can only be defeated by holy knights who control hieral menaces in their weapon form. Inglis, the one who reborn to master the blade, finally challenges the Prismer to battle!