Awakening at the Beginning: the Ancestor Is Actually an SSS Level Demon King

(No system + single female protagonist + superpowers) When Chen Chen woke up, he suddenly became a descendant of the demon clan? ! Chen Chen pointed at the cat who claimed to be the ancestor of the Demon King and shouted angrily: "The Demon King must at least have a subordinate!" The Demon King Ancestor pointed at a harmless little loli next to him and said: "Isn't this the succubus for you... Well... Although it is still growing..."