Murimsega Jeonsaengnaengkeo

Legendary SSS-rank hunter Kang Tae-Ha finally met his end. But just as he prepares to enter eternal sleep, he awakens once more in… imperial China?! Now, he must live as Liu Xinyun, the delinquent heir to a powerful company. All he wants to do is put his hunting days behind him, but in order to survive his new power-hungry relatives, Xinyun must hone his skills again, starting from level one. Can his own unique blend of necromancy and martial arts take him from useless bum to ultimate boss?

(Source: Tapas)