I took him from the battlefield that day, but he was never truly mine . . . even after I severed the soulmate mark, he still held a piece of himself away from me, but that final straw-that final word of ending to the story of my Shuyi-that was enough for him to agree. A story depicting the relationship between Shide , a prince of hell and a son of Lucifer , and his prisoner of war, Shuyi his love a angel from Heaven .