devil contract

"Sebastian, hurt me to your heart's content, and deeply engrave the pain of living on this soul." Charles looked at Sebastian and said firmly, let this body, heart, and soul all be handed over to him. With you, Sebastian..... Shire looked at Sebastian's approaching face, Sebastian's pupils had turned blood red.Seeing Sebastian's handsome face, Ciel blushed suddenly.He was a little annoyed at himself, how could he be attracted by this demon.After sucking the soul, he will die, Sebas will have another master in the future, he will have a new name, everything will start again, will he still remember himself?