The World’s Best Assassin, Reincarnated in a Different World as an Aristocrat

A legendary assassin’s retirement plans are cut short when he is betrayed and killed, only to be reincarnated in another world by a goddess with a mission: to eliminate a hero who will become a threat. In his new life as Lugh, a noble heir with a deadly skillset, he prepares for his most challenging assignment yet, utilizing his old world’s knowledge and new world’s magic.