Magician's Academy(2008)

Magician's Academy follows Takuto Hasegawa, a student at a secret magic academy hidden from the world. During a summoning spell exam, he accidentally conjures Tanarot, a girl wielding enough magical power to devastate an entire nation. Rather than becoming a threat, Tanarot pledges absolute loyalty to Takuto as her creator. The series blends comedy with magical mishaps as Takuto navigates academy life with his unexpectedly powerful companion at his side. Their unusual bond becomes central to the story, mixing school hijinks with the constant tension of Tanarot's overwhelming abilities.