The Royal Diana Academy stands as a prestigious institution reserved for those gifted with extraordinary magical talents. Graduates of this esteemed school often ascend to the pinnacle of their craft or secure coveted positions within the royal court. Spica Virgo harbors a fervent ambition to enroll in this renowned academy, aspiring to emulate her idol, the legendary sorcerer Claude Sirius. Claude, revered far and wide for his mastery of the arcane arts, once graced the academy as its youngest maestro before vanishing under mysterious circumstances. Hindered by her lack of experience and influential connections, Spica languishes in her pursuit of magical expertise. Her fortunes take a fateful turn when she crosses paths with a sentient black cat possessing formidable magical prowess. Desperate to alter her fate, she implores the enigmatic feline to become her mentor and impart the esoteric knowledge essential for academy admission. The cat consents to her plea on the condition that she break the curse confining him to his feline form. Undaunted by the daunting trials that lie ahead, Spica embarks on a resolute journey to demonstrate her worthiness as the cat's apprentice.