The adopted ward/child of shrine owner Chiaki Ishikawa, the secret civilian identity of it's guardian deity Kato-no-Kami.

Generations of Halcyon citizens believed the Kato-no-Kami to be a sealed evil, thanks  to initially becoming known in the Golden Generation during the height of Japanese Internment. Many a supervillain’s plans over the years have involved trying to take control of this power, only to be thwarted again and again by the same lineage of heroes.

Found to be the once-human kami’s only living descendants, Akira’s family was approached to be part of a plan to break the seal. Her parents were killed when they refused, and Akira herself was abducted to open the seal by force. Neither the villain group nor the heroes who cut in on the ritual expected the released deity to protect Akira, or for it to eventually request custody over his however-many great granddaughter.

In the modern day, Akira moonlights as Ronin, fighting street level crime with trained swordwork and acting as an intermediary between the mundane world and Halcyon City’s under-recognized magical community. While well-versed in Bushido and the idealized procedures of heroics, her skills are lagging behind in PR, inter-hero politics, and talking to kids her own age.

As part of “secret identity contingencies”, Akira has chosen for her Ronin persona to present with He/Him pronouns. In turn, she has not realized that most of her classmates think she is a boy.