senran kagura: the angels descend

since its creation the human being has always been corrupt,primitive, and violent. creating and causing destruction wherever they go and now that the demons walk free on earth chaos reign. so castiel leader of the angels descended along with the seven heavenly virtues in order to find his true vessel , fight Lucifer ,and stop humanity from becoming sinners. in their stay on earth they will meet the hanzo girls and become allies with them however one of them is castiel's true vessel, question is which one would it be?