Kōga is worried over the disappearance of Athena and frustrated for his failure to protect her and his mentor Shaina. Kōga is determined to master his Cosmo to rescue his goddess. Kōga departs to improve his mastery over Cosmo, later meeting Sōma, the Lionet Bronze Saint, who teaches him about the elements of Cosmo. Eventually, Kōga and Sōma are greeted by the challenge of Mantis Ordykia, one of Mars' henchmen, who puts their command over Cosmo to the test, an experience that strengthens their newfound friendship.
Elenco: Hikaru Midorikawa , Katsuyuki Konishi , Tetsuya Kakihara , Junichi Suwabe , Tatsuhisa Suzuki , Kiyoyuki Yanada , Yūsei Oda , Nobutoshi Canna , Aya Hisakawa , Hidekatsu Shibata , Mamiko Noto , Satsuki Yukino , Shoko Nakagawa , Tōru Furuya , Masaya Onosaka , Ryūzaburō Ōtomo , Naomi Kusumi , Masaya Takatsuka , Kouta Nemoto , Yasuhiko Tokuyama .