The devil refers to the son of evil who has the eyes of the devil and is the source of all disasters and evil.
Now ~ Allen, it was you who taught me human feelings, it was you who gave me the courage to start over, it was you who said you would never leave and would always protect me, it was you who asked me to hold your hand and not let go, so please don't give up on me easily, please keep walking with me, no matter what is waiting for us ahead, I, Feng Qing, will never leave in this life.