Asahi's real life ended when she died playing Union, a famous online RPG in the virtual realm. The Subaru members went separate ways after Union closed due to Asahi's death. Six years later, Haruto logs into a new version of Re'Union and meets Asahi who had died. Is it truly her or merely an electronic specter? The former teammates reunite, enter the mysterious deadly online game, and seek to uncover the final truth.
