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|Eye color|| Gold (left)|
|Family|| Sosuke Inukawa|
(the second half)
|Anime Debut|| Episode 6 |
|Manga Debut|| Chapter 10 (flashback)|
Chapter 14 (debut)
Like Sosuke Inukawa, Ao has a dark blue hair. He also has two differently colored eyes; a blue color on his right eye and the other one gold on his left eye, which used to belong to Kohaku. Later on, he gets Sousuke's left eye.
Ao is quite a possessive, cruel and deceiving man, who will kill others in order to achieve his goals and to take things that, as he claims, once belonged to him. One such thing that he vows to retrieve is Shino Inuzuka. Even though he is conniving and merciless, he shows that he still cares for Shino, rushing to his aid when he is wounded in the battle against Tamazusa.
Ao has stolen Keno Inusaka's heart and stolen Sosuke Inukawa's bead from Shino Inuzuka in trying to complete his body. AO obtains the deity, Yana, in the form of a green tribal marking in his left arm.
Ao steals one of Kohaku's gold eye in exchange of making her life longer, even if for one week, by making her a demon. In order to get power, and to be able to live alongside Shino Inuzuka, who is possessed by the powerful Murasame, he kills the local god Yana. Because Shino asks him “sweetly”, he is now possessed by Yana, who lost its place to stay.
While Ao seems to care for Shino very much, Shino rather dislikes him. He will do anything that benefits Shino. Tamazusa asked him to hand over Shino to her but Ao refused and fought with Hazuki who is a vessel that is control by Tamazusa. He also said that he took Kohaku's eye because Shino seemed to like them.
|Eight Dog Warriors|
|Shino Inuzuka | Sosuke Inukawa | Genpachi Inukai | Kobungo Inuta | Keno Inusaka | Dosetsu Inuyama | Daikaku Inumura | Shinobu Inue|
|Sacred Beast Houses|
|Rio Satomi | Kaname Osaki | Ayane Mizuki | Nachi Hinozuka|
|Gods and Demons|
|Fusehime | Murasame | Yatsufusa | Five Foxes | Hibiki | Kaede | Yukihime | Kokonoe | Megu | Raiki | Fuki | Noro | Hazuki | Kagetsu | Natsume | Shinonome | Usakuma | Gama no Aya | Asen|
|Hamaji | Fenegan | Lilith | Akane Saiki|
|Seiran | Myoko | Chudai | Yana | Takanobu | Saki|
|Ao | Tamazusa|
|Bungo Inuta | Sayoko Inuta | Nui Inuta | Hinaginu Inumura | Norikiyo Inumura | Kaho | Atsushi | Joji Sakuraba | Kenta | Kohaku | Chitose | Shoichi | Akihiko Narimura | Ruri Kobayakawa | Suzu Kumagai | Kayako | Tae | Yuri Hinozuka|