The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat, Vol. 4 LN

Word has gotten out about Lugh’s ability to kill the unkillabledemons, and now every
major power in the world is trying to garner his favor.Yet, while many requests pass
his ears, the first to grab his attention comesfrom Nevan, the talented daughter of a
duke in the Alvanian Kingdom. As shetells it, the prince of the kingdom has fallen to
corruption—and shewants Lugh to assassinate him! Looks like some crooked rulers are
about tomeet their maker!