Mo Xiaoyan's Guide to Vanquishing Demons

I, Mo Xiaoyan, am the greatest demon slayer in the world today, and I’m determined to destroy every demon and monster. Too bad there are no demons for me to slay and no ghosts for me to kill! At long last, I found a monster, only to get knocked into a space rift by it. In this tragic turn of events, I became the General’s Mansion’s Third Young Lady, and I’m about to be sent off to a libertine prince as a good-luck bride...