Ray White has inherited the title of "Ice Sword Magician", which is said to be the strongest in the world. Three years ago, he suffered a deep wound in his heart and left the battlefield. However, because he is from the only ordinary family in the school (ordinary), he is looked down upon by a magus from aristocratic background, and soon begins to become isolated as soon as he enters the school. At that time, he meets Amelia Rose, the daughter of the Rose family, who is the head of the three major aristocrats, and Elisa Griffith, a half-elf, and begins school life with new friends.

Despite being baptized by aristocracy, Rei started life at the academy. Rei, who is determined to do what she wants to do thoroughly, wants to work in both the Environmental Research Department and the Gardening Department. However, she was refused entry by the "Gardening Club" on the grounds that she was from an ordinary family. Rebecca Bradley, the director of the gardening club and student council president of the academy, reaches out to him, and Ray decides to join the club and take a test. At the same time, the academy was invaded by spies from the empire...

During the practical training in Kafka's Forest, Ray defeated a giant monster that attacked him. However, a mysterious magician transforms the monster into a more ferocious form and revives it. Ray, who attacks again, cooperates with Amelia, Elisa, and Evi-Armstrong, and succeeds in repelling this time. Thanks to the fierce battle, the four of them achieve the top results in their training, but... After that, Ray, who returned from training, visited his former master, Lydia Ainsworth, who was a magician of his predecessor, "Hyoken"...?

Rei has become an executive committee member of Magix Chevalier, a swordsman tournament between the three major magic academies. He watches over Amelia as she practices for the school preliminaries, but suddenly she appoints her as her practice partner. While everyone thinks Amelia has the upper hand, Rei corners her with her splendid swordsmanship. Everyone around her praised her for her unexpectedly great effort. However, Albert-Allium, who does not feel comfortable with the situation, challenges Ray to a duel. Albert, who gives off a strange bloodlust, attacks Rei with a serious sword in hand! ?

Helena Grady has discarded her teacher disguise and reveals that she is a member of Eugenics, an organization trying to get sorcerers brains. Faced with her reckless onslaught, Ray is finally forced to face her as the Iceblade Sorcerer. As his friends look on, the battle is decided! Then, time leaps backwards 10 years. A young Lydia discovers a war orphan during her battlefield patrol. His name is Ray. Slowly, the mysterious past of the Iceblade Sorcerer is unveiled.

After the battle with Gray, Ray returns to his peaceful academy life. But then, they meet their new homeroom teacher, who is none other than Carol Caroline. Being uneasy with her from his past experiences, Ray even asks Abbie to fire her... Meanwhile, Amelia makes it through the qualifiers in first place and secures her spot for the Magic Chevalier tournament. However, she quickly loses confidence after she compares herself to her rival from Diom Academy, Ariane Algren. Seeing her like this, Ray goes ahead and says...!?