Coloured ML Manga (UNCOMPLETED)

Summoned into another world, Han Sung worked his entire life as the empire’s SSS-class monster hunter. After countless struggles, he lost his life and came back as the first-born son of the Jackson Duchy, ‘Dale’. He was the continent’s greatest dark magician and the leader of the dark tower, The Black Duke’s son. ‘I will destroy the empire with my own hands.’ With his previous life’s knowledge, Dale is reborn as the genius of the duchy.