A Handbook for Villainesses summary:
Laviore Rea Bailey, the fake saint and heartless puppet of the merciless Prince Sidar, drinks poison on the day the prince is to give her up as an offering to the devil. Instead of dying, she reincarnates 10 years in the past. Set on righting her previous wrongs, Laviore vows to save the slave Damian Rhode Drake, whom she had once framed as a spy.