I, The Invincible Villain Master With My Apprentices is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here.
The Summary is
Shen Shi felt very sad. He didn’t understand why he transmigrated into the book he wrote and was not the protagonist. He also didn’t understand why immortal male protagonist became a female? He didn’t understand even more. It was obvious that he wanted to be a cultivator apprentices, so why everyone wanted to become his apprentice The protagonist: “Master! Are you going to eat me first today, or do you want to eat me after I kill all the senior sisters?”?