in his stead before using the Aquarius Zodiarts' powers to repair the Core Switch and resurrect Kengo. Due to years of saturating himself with high levels of negative Cosmic Energy, Gamou gained supernatural abilities in his human form, such as the ability to grant his fellow Horoscopes their Supernova powers and place hypnotic suggestions in people. As the Sagittarius Zodiarts, Gamou possesses durable armor and can generate the bow on his left arm, which can fire a barrage of Cosmic Energy arrows. His Supernova ability allows him to transform into , gaining increased agility, the ability to fire arrows directly from his left hand without Gilgamesh, and augment his attacks with negative Cosmic Energy. Similarly to Kou Tatsugami, Gamou can also utilize other Horoscope Switches. Mitsuaki Gamou is portrayed by . As a child, Gamou is portrayed by . Sarina Sonoda is the youthful and beautiful AGHS homeroom teacher of class 2-B who teaches classical literature and serves as Mitsuaki Gamou's loyal right hand after Principal Hayami recruited her while she was an AGHS student. Secretly using her pleasant facade to befriend students and find ideal Horoscope candidates as the , she initially works from the shadows, distributing Zodiarts Switches to vengeful students, before fighting Fourze to stop him from interfering with her targets and Gamou's plans. After being defeated by Fourze and Meteor despite attaining her Supernova powers and maintaining her secret identity however, Kuniteru Emoto seemingly banishes Sonoda to the Dark Nebula for her failure while Gamou acquires her Horoscope Switch and covers up her disappearance as a sabbatical, later resignation, due to health reasons. It is later revealed that she was placed in suspended animation on the M-BUS. As of the tie-in novel Kamen Rider Fourze: Ama High Grad-Uation, Sonoda is safely returned to Earth, where the Kamen Rider Club discover her connection to the Zodiarts. Additionally, it is also revealed that she had a childhood friend, Tsubasa Amano, who was killed in an accident following an argument they had. As a result, she blamed herself for it and developed a split personality based on him. While she was able to suppress it, the personality influenced her actions as the Scorpion Zodiarts and inspired Tsubasa, an alien that took on Sonoda's appearance and split personality. After Fourze defeats Tsubasa and the Kamen Rider Club help her come to terms with the latter, Sonoda surrenders herself to the