Portal

Reverse Harem/multiple hero science fiction adventure/thriller romanceDr. Alexis Conyers, is among the scientists sent from the near future to find a new home for mankind, but once her and her crewmembers erect the Portal, none of the colonists they're expecting arrive. When they decide to use the portal to return to earth they discover that nearly a thousand years have passed and the world they return to has changed drastically.
Mankind, except for a small enclave, has fled the earth and humans are despised by those abandoned-the beast folk. Captured by the Bear Clan almost as soon as she arrives on Earth, she is thrown into the dungeon with the Liger-man, Torin.