The Cultivators Immortal Is My Sister is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

In order to be able to settle in the cruel flood, must not be tainted with karma, kill and raise ashes, plan and then move, deep undercard, never cross the challenge, establish a harem group, present the mouth. Sister! The other side is only a foundation cultivator, you have to use the forbidden spell to blast him three times! Sister! I just scratched a little skin, don’t feed me to take the nine revolutions of golden pills to restore blood ah! Sister, please do not pretend to be new, malicious cute.