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|Eye color||Blue (right); Gold (left)|
|Family||Sosuke Inukawa (the second half)|
|Anime Debut|| Episode 6 (flashback)|
Episode 10 (debut)
|Manga Debut|| Chapter 10 (flashback)|
Chapter 14 (debut)
Ao, like Sousuke, has a dark blue hair. He also has two differently colored eyes, with one being blue, and the other one gold. Later on, he gets Sousuke's left eye.
Ao is quite possessive, cruel, and deceiving. He 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. 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 steals gold eye from Kohaku, 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, 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|
|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 | Fusehime|
|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|