Black hair and blue eyes, male, 20 years old. A mage who has become the vessel for the soul of Oscar Sage, the former Master of the White Tower. A survivor of the fallen Crucian family, he is a genius with extraordinary innate knowledge and analytical skills regarding magic. However, due to Mana Deficiency Syndrome, he was a troublemaker who couldn't surpass Level 1 and lived like a jobless loafer. Affiliation: White Tower

Golden hair and golden eyes, male. A Level 3 student at the White Tower who entered as the prodigy of the Proud family. Although talented, he has a rather foul personality. However, after hearing about his chronic flaws from Oscar, he reforms slightly and quietly attends Oscar's top-tier lectures. After enduring the hellish training of the Oscar-style breathing method, he witnessed a demonstration of 'Flower Rain' and received mana circuit blueprints for Level 4, as well as Levels 5 and 6. Affiliation: White Tower

Female, red hair and red eyes. One of Oscar Sage's three disciples and the youngest among them. At 25 years old, she followed in Oscar's footsteps to become a Level 7 mage and the 18th Master of the White Tower. As a half-elf, she has a long lifespan but slow growth, and she suffers from the annual 'Fairy Bloom' (fairy pains). She is struggling to rebuild the White Tower, which has been in rapid decline since the war with demons 20 years ago. Despite the difficult situation where she, as the Tower Master, personally travels as far as the Eastern Kingdom of Yeon to fulfill commissions to cover the tower's budget, she is doing her best to persevere. Affiliation: White Tower

Male, white hair and green eyes. The Vice Master of the White Tower. An elderly Level 7 mage and the one who personally scouted and brought in Oscar Crucian.

One of the elders of the White Tower. A junior who entered a few years after Oscar Sage, he currently serves as an elder and is a Level 7 mage.

One of the elders of the White Tower. A Level 7 mage in charge of the White Tower's finances. Initially, she demanded disciplinary action against Oscar, claiming she couldn't overlook his embezzlement of research funds. However, when Oscar developed a cure for a plague and sold it to the Holy Order, earning hundreds of times the amount she had suggested for his penalty, she immediately changed her tune and began doting on him as her 'darling'.

One of the elders of the White Tower. A Level 7 mage in charge of the Theory Department. Under the orders of Tower Master Sasha, he is solely focused on the task of restoring 'Ouroboros', the unique magic of the White Tower.

One of the troublemakers Oscar Crucian has been keeping a close eye on. The same age as Oscar and the second son of the Sirius family, owners of the Empire's massive merchant guild. He is a user of a unique elemental magic called 'Wind Lord'. Affiliation: White Tower