The world's finest assassin gets reincarnated in another world as an aristocrat, vol. 7 (light novel)

Naoise has turned his back on humanity and become a servant to Mina, the snake demon. Lugh thought he could find a way to stop his way ward friend without killing him, but things come to a head when Naoise turns his sword against his own people. A wicked plot in the heart of the kingdom! Three demons have fallen, and Lugh wastes no time preparing new tools to handle the next one. Unfortunately, he's interrupted by a conspiracy in the royal capital. It seems someone wants to frame him for murder. Whoever this cocky person is obviously doesn't know who they're dealing with. In the midst of this, another demon appears, and Lugh receives a visit from the goddess who sent him to this world. The discussion with her leaves him wondering if perhaps there's more to why he was reincarnated than he first presumed.. "When a great assassin is reborn in another world, he finds himself the heir to a long line of killers from the shadows. With both his modern-day knowledge and experience and the special magic and techniques of this new world, he could very well become the most unstoppable assassin in history...!"-- Provided by publisher