The S-Rank Purifier and Her Six Mates

Danielle, a burnt-out office worker who died from overwork, wakes as a tragic villainous supporting character in an interstellar beastman novel. Upon transmigrating, she divorces her five ex-husbands, determined to live as the most free and wealthy woman in the galaxy, only to discover she has one day left to live. Binding with a Resurrection System, she purifies highly contaminated male beastmen to earn life points. With six fated partners, she fights an interstellar contamination crisis.