When Lethe wakes up in a strange cave, she has a lot of questions-for herself.
Not only is she unfamiliar with where she is, but also who she is. Her recovery is aided by an unusual, new friend who grants her access to an ancient library housing an old adventurer's guide. The centuries-old text ignites Lethe's determination to uncover her past and confirm the fabulous tales written about the mysterious continents of her world...