Dorei Senshi No Isekai: Taneuma Seikatsu ((link))

: The "Taneuma" (Stud/Breeding) part of the title indicates a heavy focus on the protagonist's relationships with various female characters, often under the guise of duty to his noble owners. Media Availability

Dorei Senshi no Isekai Taneuma Seikatsu (Slave Warrior’s Isekai Breeding Life) is a Japanese fantasy series—originally a web novel—that has since expanded into light novels and a full-color manga adaptation. It follows the journey of a protagonist who finds himself reincarnated or transmigrated into a harsh fantasy world as a slave, only to discover that his unique abilities make him anything but ordinary. Dorei Senshi no Isekai Taneuma Seikatsu

: A common trope where the protagonist starts as the "lowest of the low" and uses a "cheat" or hidden talent to gain freedom and power. : The "Taneuma" (Stud/Breeding) part of the title

Are you interested in a detailed of Liu and the Jurah family, or Dorei Senshi no Isekai Taneuma Seikatsu 1 (COMIC Raguchu) : A common trope where the protagonist starts