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Code:Breaker (stylized as CØDE:BREAKER) is a Japanese manga series written and illustrated by Akimine Kamijyo. It was serialized in Kodansha's shōnen manga magazine Weekly Shōnen Magazine from June 2008 to July 2013, with its chapters collected in 26 tankōbon volumes. It tells the story of a high school girl named Sakura Sakurakōji who is trained in martial arts and a male transfer student with mysterious powers named Rei Ōgami.