After My Childhood Sweetheart Became Regent

To get my own brother out of trouble, I had no choice but to seek help from my childhood friend, the regent. I figured that if things didn't go smoothly, I'd just give up. But to dodge the emperor's arranged marriage, he set his sights on me as the unlucky princess consort and said, "I can help you. As it happens, I need a suitable woman to be my consort. That'll be you!"