Many Children, Many Blessings: I Contracted the Progenitor of All Vampires

William awakens as a duke's son with SSS-rank [Time Rewind] talent and a system that rewards him for every child he fathers. Across countless eras, he saves legendary beauties at their darkest moments: the first vampire progenitor in the savage age, a witch hunted to extinction, an empire's last princess, a dragon princess during the great rebellion. Now enthroned as a god with dozens of demigod children and a harem of divine wives, William can't help but wonder—did I take on too much romantic karma?