While conducting a liberation mission on Planet Sleeby of the Norma constellation, Stinger and Champ are attacked by Jark Matter and fall into a valley where they remember a common unforgettable past.
Yosuke Kishi
Akio Otsuka
Yuki Kubota
Yuki Mamiya
Kentarō Shimazu
Takumi Kizu
Taiki Yamazaki
Sakurako Okubo
