"Beyond the Threshold of Eternity"

Prompt: The protagonist discovers a way to travel between parallel worlds, each with its own unique history and timeline. They fall in love with someone from a different world, and must choose which world to stay in or find a way to bridge the gap between them. Main female character Savannah, silver blue eyed, Raven haired beauty. Main male character, tall, dark, hazel lie, handsome man curly long locks.