Code:Breaker Series by Akimine Kamijyo

THE DEATH DEALERS Rei seems like an affable transfer student to everyone around him, but quirky high school beauty Sakura sees his true face as a terrifying vigilante—a “nonexistent” Code:Breaker who cannot be touched by the law. And since Sakura has just witnessed the effects of his deadly blue flame, she’s slated to be the next to burn!

TWO'S THE HARMAs Sakura attempts to keep Rei from killing people, they are joined on a mission by Toki, another Code:Breaker. But under Toki’s affable exterior lies the heart of a ruthless executioner. And now all three of them are pitted against a politician with an army of guards and a deadly plan! Includes special extras after the story!

普通の女子高生・桜小路桜はある夜、青い炎で悪人を燃やす謎の少年を目撃する! しかし翌朝、現場となった公園には何の痕跡も残っていなかった。自分の見たものが現実だったのか思い悩む桜、その前に昨夜の少年が転校生として現れた!彼は何者なのか?そして青い炎は何だったのか? 謎を解くため桜は少年に近づいていく!!神田から、何者かに命を狙われていると告げられた桜。大神と刻は「コード:ブレイカー」として桜の命を護るという任務を受け桜小路家へ向かう。深夜、突然襲いかかって来たのは異様な技を持つ刺客たち! しかし大神と刻は激闘のさなか異能に異変をきたし意外な姿をさらす!! 絶対的不利のなか桜の命運は‥‥!?

Sakurakouji Sakura is a average high school girl who appears modest and graceful but in reality is extremely skilled in martial arts. After witnessing a boy burning people with his blue flame, she is startled to see that the same boy is a transfer student, Oogami Rei. Oogami is a Code Breaker, one who "does not exist". He is a seemingly cold-blooded killer who follows the principle of "an eye for an eye", to "evil for evil"... moreSakurakouji Sakura is a average high school girl who appears modest and graceful but in reality is extremely skilled in martial arts. After witnessing a boy burning people with his blue flame, she is startled to see that the same boy is a transfer student, Oogami Rei. Oogami is a Code Breaker, one who "does not exist". He is a seemingly cold-blooded killer who follows the principle of "an eye for an eye", to "evil for evil". Convinced that killing is not right, Sakurakouji sets out to stop him and penetrate his icy heart and goes to a world where she'll never become a normal high school student again. less

Sakurakouji Sakura is a average high school girl who appears modest and graceful but in reality is extremely skilled in martial arts. After witnessing a boy burning people with his blue flame, she is startled to see that the same boy is a transfer student, Oogami Rei. Oogami is a Code Breaker, one who "does not exist". He is a seemingly cold-blooded killer who follows the principle of "an eye for an eye", to "evil for evil"... moreSakurakouji Sakura is a average high school girl who appears modest and graceful but in reality is extremely skilled in martial arts. After witnessing a boy burning people with his blue flame, she is startled to see that the same boy is a transfer student, Oogami Rei. Oogami is a Code Breaker, one who "does not exist". He is a seemingly cold-blooded killer who follows the principle of "an eye for an eye", to "evil for evil". Convinced that killing is not right, Sakurakouji sets out to stop him and penetrate his icy heart and goes to a world where she'll never become a normal high school student again. less