Height: 198 cm
He is best friends with Kaito and has a crush on Levun in her human form, Haga-sensei. Taiki is kind-hearted but muscled. He tries his best to protect Kaito from danger. He is sent by the King of Hell along with two others to find Kaito's whereabouts. Souya (the vampire) and Kisaragi Touma (the werewolf) believe that Kujou Yamato (Kaito) is in fact the Prince, but Taiki is reluctant to believe so.