MC does anything for her love, the Baron, even risking her life so that she can get more power and summon stronger beings for the Baron to take the credit of being a Great Summoner. Near her death she witness the Baron having an affair with her cousin. After dying she is brought back years before her death and realizes that she is not a pawn anymore and the best way to get back at them is to marry someone if higher position the Duke and show her summoning skills to the empire.
The Duchess with an Empty Soul