In Shinjuku ward's east side lies Kabukichou, a vibrant city of chaos that glows brilliantly with neon lights but also hides unseen darkness. Employed at a university hospital on the west side, John H. Watson is looking for someone who can assist him with an odd case. His search leads him to the Pipe Cat, an underground bar that serves as a meetup venue and job board for some of the best detectives in Shinjuku, the most prominent among them being Sherlock Holmes. Upon finding the bar and meeting the peculiar investigators, John learns that they are pursuing a case involving Jack the Ripper, an infamous serial killer. Due to subsequent events, John ends up driving Sherlock to the crime scene of a murder supposedly carried out by Jack the Ripper. Even though John is only there to enlist Sherlock's help with his case, he witnesses Sherlock brilliantly uncover the truth behind the crime scene. However, he begins to realize that Sherlock is not only a genius detective but also an eccentric character. As John continues to request Sherlock to assist him with his case, he finds himself spiraling into the detective lifestyle of solving cases beyond the minds of ordinary civilians. Through this work, John begins to see the true colors of the chaotic city that is Kabukichou and starts to unravel the unsettling mystery behind his own case.

The story of is set during the Three Kingdoms period in China, where various warlords and their armies attempt to conquer and unify the nation. The struggles of these mighty martial heroes attracts the attention of the Mouryou King, the monstrous sovereign of evil spirits, who wishes to prolong the conflict and destroy the human world. To oppose the evil of the Mouryou King, an organization called Tengen forms anti-Mouryou armies that do battle all over China, but when the 6th anti-Mouryou corps is suddenly wiped out, a rag-tag band of adventurers is gathered to replace them and to form the new 6th anti-Mouryou corps.

Within one's Book of Fate is their destiny. Written by the mysterious Story Tellers, these books decide every small detail of one's life. Some Story Tellers, however, choose to interfere with the stories of others rather than write their own. These malevolent beings are known as Chaos Tellers, who seek to ruin stories by overwriting the Books of Fate. Ex, Reina, Tao, and Shane were born with blank books. Ostracized by society due to this abnormality, they abandon their respective stories in search of better lives. In the vast unknown, they encounter famous fairy tale characters such as Cinderella, Momotarou, and Snow White. All the while, they work to subdue the Chaos Tellers and return peace and order to the stories. [Written by MAL Rewrite]

The Bladebreakers have to join forces once again because a mysterious group under the lead of Oozuma has defeated them, but the real enemy is not Oozuma. The real threath is formed by a group of people who use cyber-BitBeasts to capture the original ones from the Bladebreakers. (Source: ANN)