Tsubasa Oribe is the only survivor of the Mass Disappearance that occurred 5 years ago when her older sister also disappeared from stage. After getting over her shock she applies to be an idol in the hopes of finding clues to her sister's whereabouts but finds herself transported to another world as everyone around her disappears yet...

In Fire Emblem, Shin Monsho no Nazo, Hikari to Kage no Eiyuu, a year has passed since The War of Shadows. The Kingdom of Alkania has been re-established under the new ruling of Emperor Hardin who had fought along side Marth. A rebellion occurs and Marth, Prince of Altea is asked for his aid to suppress it. However, he soon begins to...