Yor Alef and his sister Anya Alef were abandoned by their parents due to illness when they were young and were later taken in by a pub owner named Siobhan in Dublin, Ireland. During a business trip, Yor unexpectedly encounters a mysterious girl from his dreams, who turns out to be named Elwyn. Faced with this familiar yet unfamiliar girl, Yor and she embark on a journey to collect manuscripts and uncover the truth about their past.