Wake up master is a Manga/Manhwa/Manhua in (English/Raw) language, HISTORICAL series, english chapters have been translated and you can read them here. You are reading Wake up master chapters on ManhwaZ, fastest updating comic site. The Summary is
The leader of the Immortal Sect, Wuzhen Sect's prospective patriarch, Zhang Xuanze, accidentally reveals his half-demon blood and is attacked by all the sects in the Immortal World, and secretly unites with the demons to attack Zhang Xuanze. He is alone against all the enemies, and with his " Kung Fu" technique, he is able to resist. However, the betrayal of his sister Shi Yunxuan seriously broke his immortal body. At the last moment, he succeeded in reincarnating in the human world, what will happen next?