Wata rana, a cikin motar, Sakura Sakurakoji ta tsaya kan mutane kuma da alama taga taga ana kona mutane da rai da wuta yayin da saurayinta bai rayu ba. Babu wata gawa ko shaidar kowane irin kisan kai, kawai ɗan wuta idan ta dawo kai tsaye ga gidan yanar gizon kwana ɗaya daga baya. Ta sami sabon dalibi mai canzawa daidai yake da yaron da ta gani jiya, lokacin da Sakura ta tafi karatu. Ba da daɗewa ba Sakura ya fahimci cewa shi Rei? Gami, na shida "Code: Breaker," wani nau'in kisa ne da ke da iko na musamman sannan kuma ma aboki ne na ƙungiyar ɓoye da ke aiki da hukuma.
Masaomi Heike shi ne Code: Breaker, wanda sunan sa mai lamba Code: 02, yayin da yake yin aikin alkalin da ya auna aikin su. Ya kuma kasance daga cikin waɗanda suka kafa Adnin, waɗanda aka ambata da suna Heike Masaomi abin al'ajabi. Ya sami ikon sarrafa haske
Heike kamar yana da tsayi sosai (aƙalla 180 cm). Yana da kyau sosai, kodayake siriri ne. Yana da launuka masu launin rawaya a lokaci guda, kuma yana da kyakkyawar dogon gashi na azurfa fari fat. Daga cikin halayensa wadanda suke boye shine cewa bashi da wani bincike kamar yadda Toki ya fada a farkon manga. (Heike kamar ba ya son wannan mahimmanci, amma an gano shi da kyar saboda gashin kansa). Rigar al'ada ta Heike (jaketar baƙin fata) tana da kaya a ciki don ku guji amfani da wutar lantarki daga amfani da shi (yana ba da haske mai haske, mai cutarwa da zarar an kawar da wannan).
