Childhood Friends Kisara and Seto meet each other once more and realizes that their connection together depends on life itself.

Ryou Bakura's adopted sister Kisara's worst fear is for Ryou to become possessed by the spirit of the Millennium Ring again, and be banished to the Shadow Relm again. Assuring her that it would never happen, Ryou helps her through her nightmares. Upon starting her new job at Kaiba Corp, she slowly finds herself falling for Seto Kaiba.

When fate separated Kisara and Seth, they never would have expected to see each other once again. Now, thousands of years later, Kianna Fuoto and Seto Kaiba have crossed paths. Will the high priest be able to change the past... Or will history repeat itself once again?