Magic Studies Starting from Age 8

A story of a boy with a rotten character who grew up unloved by his parents, and who pursues magic studies and gains recognition from the world after remembering his past life. When the fallen noble boy of a duke's family recalled his past life, he made a decision: "I will research the most powerful magic that moves the era! Nothing else matters. In any case, it's magic studies!" Though the boy thought this way, those around him won't leave him alone. Because of his position as the grandson of an infamous duke, before he knows it he's forced into the role of leader of the aristocratic faction, and he encounters a vicious serial killer causing chaos in the royal capital. The boy's dream faces many obstacles!