Following the aftermath of the previous series, Shana and Kazumi eagerly await Yuji's arrival, only to realize he has vanished without a trace. Despite the mysterious disappearance, the letters they sent him offer a glimmer of hope. As they embark on a quest to unravel the mystery of Yuji's whereabouts, their search leads them to a startling revelation – Yuji emerges as the enigmatic leader of Bal Masqué. Now, Shana faces her most formidable opponent yet, forcing her to confront Yuji in a battle unlike any other.