Although cheerful and delicate, Sakura Sakurakouji is a skilled martial artist with a sense of fairness that never falters—no matter the situation. Upon witnessing people burning in blue flames while on a bus ride home, she calls the police to bring their murderer to justice only to find that no evidence remains. However, all her doubts about what she saw vanish when the next day, the new transfer student Rei Oogami joins her class; he is the very boy she watched commit murder in cold blood. Rei is kind, sweet, and quickly becomes popular, contradicting Sakura's accusations. Soon enough, she learns his true nature: a Code Breaker, or one who does not exist. To Sakura's shock, Rei—armed with mysterious powers—seeks to exact justice according to the principle of an eye for an eye. Determined to bring Rei to the right path, Sakura keeps close to him in the hopes of redeeming him from his ways before others are hurt.

The second stage of the battle royale known as the Sekirei Plan is underway. Shintou Teito has been closed off; no Sekirei or Ashikabi may leave. Minato Sahashi and his harem of Sekirei must now prepare to fight new battles as changes to the rules are put into place. However, not all groups will return to the battle: some Sekirei are loved very much by their Ashikabi partners, who would rather forfeit the prize than see them perish. In the midst of the action, someone close to Minato may be more involved than he had ever imagined, and threats lurk around every corner. There are even rumors that the Single Numbers, the most powerful type of Sekirei, have entered the fray. In the eyes of the Game Master Minaka Hiroto, everything is proceeding according to plan.

The boisterous student Kaname Chidori and soldier Sousuke Sagara are enjoying a blissful high school life. However, their peaceful days are disrupted by the threatening terrorist organization Amalgam. Leonard Testarossa, a member of the organization who possesses Whispered, seeks to procure Kaname and her knowledge. Kaname and Sousuke's battle against Amalgam starts right in their own neighborhood, which eventually takes them on a hunt around the world. From the exotic lands of Laos to the barren Mexican coast, Sousuke must gather intelligence to bring down Amalgam. Meanwhile, Kaname's abilities grow, but so does her frustration as her resolve withers. Caught up in an intense game of hide and seek, as well as strategic plots, the pair try to connect and push beyond their own limits.

Kyousuke Hyoubu, an ESPer who was betrayed many years ago, is now one of the most powerful ESPers—and also a fugitive. However, behind that glare lies a kind heart. His main mission is to save ESPers who are mistreated by humans, even if that be by force. Through his methods, he has saved many ESPer lives and gained the loyalty of those he has saved. The name of his group: P.A.N.D.R.A. (Source: ANN)