Fate had different plans for the two Higarashi siblings. When the twins were born, one was destined to grow up in feudal Japan while the other was destined to grow up in the future. With no recollection of the other, the Higarashi siblings must find out the truth about each other while facing the challenges along the way. Two different stories, two different lives of the same bloodline. What happens when their paths cross and secrets come to light?