The time of Yugi Muto and Seto Kaiba has passed. Now, almost half a century after the ceremonial duel, most of Japan is connected by the Freya System developed by Seto Kaiba. When a string of unsolved accidents puts Kaiba Corp under fire for their alleged involvement, confusion ensues and the company's unveiled secrets reveal a hidden darkness that threatens them all.

As team 5D's reunion draw close an incident at Yusei's place of work puts him on edge and his paranoia ends up interfering with his life. And though things seem normal enough they take an unexpected turn when the former signers face a threat unlike any they've ever faced and each member of the team come to grips with a reality where their past heroism doesn't matter much. [REVISED]

The walls were built neither to keep in nor keep out, they were inconsequential, merely a negligible factor in their lives. Yugi along with his friends live under such a pretence until events occur that begin to blur the line between reality and imagination, tugging at a loose string in the interwoven web they lay.

A border agent returns to normal life in the society after recovering from a life changing accident, things turn out harder than she expects though, but she finds solace in an investigation of a old decrepit mansion surrounded in mystery.

A high school sophomore finds her life changing after an encounter with a Number Hunter, and her household demons become the least of her problems when her curiosity gets her into more than she bargained for. She meets new people, makes new friends and a few enemies, all the while uncovering more about herself than she thought existed.

The rather old and unrespected North academy is bought by an unknown but prestigious and rich man. The academy then undergoes an extensive and fruitful reconstruction that makes it a competent academy and leads to a boost in attendance, but as the new year begins things turn out being not quite as rosy as they seem.