“"Miss Loser" transmigrated to a different realm and started her revenge with the young master of the demon clan.”
An ace bounty hunter dies, then wakes up in the body of a weak girl. As she’s suffocating to death in a fire, Ou Yechen—equal parts irritating and beautiful—saves her. In return, she has to marry him. Things aren't so simple, though: Ou Yechen is a soul without a body, and she actually kicks ass!