Eight years after the battle for the Book of Omniscience, the peaceful lives of Touma, Rintaro, Mei and Kento are troubled by a mysterious new Falchion who can seemingly erase people from existence altogether!

Yukari Kawahara works at a drink manufacturer. She works hard and achieves recognition for her work. Yukari Kawahara is dating research doctor Kippei Koide. They have lived together for 5 years. One day, Kippei Koide collapses from a brain hemorrhage. Yukari Kawahara soon learns that everything she knew about her boyfriend was a lie. She hires private detective Takumi Kaibara to investigate Kippei Koide.

Akio wishes he had a better relationship with his reserved father Akira. One day Akira suddenly quits his job and retires without giving out any explanation to the family. Thinking it could be a good tool to be close to his father, Akio gives him software of online game "Final Fantasy XIV". By teaching his father how to play the game and secretly interacting with him as an anonymous online avatar, Akio hopes to know his father better through the adventures with other players in the game; little does the young man know what Akira is going through...