What Should I Do If I Just Traveled Through Time and Picked up the Holy Maiden of the Demon Sect?

[Time Travel] [Single Female Protagonist] [The free man who puts down Blue Star's bottom line! As soon as Chen Chen traveled to the mysterious world and inherited the soul of his predecessor, the Heavenly Dragon, he was almost hit by a witch falling from the sky. Chen Chen kindly tried to save him, but she retaliated by biting his arm and sucking blood like crazy! Just when he became murderous and grabbed the witch's neck, the witch actually started crying. "No, why are you crying?" "Uuuuuuuuuuuuuuuuuuuu" "Why are you sucking my blood when you have nothing to do?" "Uuuuuuuuuuuuuuuuuuuu" "Stop crying, I'll give you something delicious." "Woooooooo, what's delicious?" Is this a witch? Isn't this the silly eldest sister next door?