Concubine's Previous Life

I come from another world and have no ambitions. I just want a safe life. I offended him, but I was granted marriage by the imperial decree. Is it revenge for him to marry me, or is there another conspiracy? "Do you think I really fall in love with you?" He sacrificed his life to save others, resisted the decree and refused to marry, is it because of me? "I already have someone I like..." He sent his army northward, intending to conquer the world. "You are kind to me, and I will grant you the position of queen." Many years later, who is that person standing under the pear tree, wearing white clothes and snow? I don't care what kind of world it is, what kind of people are in dire straits, I just want you to be safe...