Kinnikuman has proven himself worthy to be crowned the next king of Planet Kinniku. But at the ceremony, five other Kinnikuman's arrive, all claiming to be the true prince of Planet Kinniku. Now, a Royal Survivor Tournament is being held to decide the true successor to the throne, and with the help and support of his friends and with his recently acquired knowledge of the Ultimate Technique (The Muscle Spark), Kinnikuman fights for what is rightfully his.

Haru Shirogane is a weak-minded person who is constantly bullied while Taiga has traveled from across the sea in hopes of becoming the strongest man in the world. One night, the two meet up with Shun Kamiya, the strongest XB (Extreme Baseball) player, and leader of the Minato Tribe. When they meet, each of the Tribes scattered throughout Neo-Tokyo are about to face a major threat. On the orders of the King of Neo-Tokyo, "Houtenshin", from the Chiyoda Tribe, led by the mysterious Ojiro Otori, has started to take control of all the tribes in the country. Their evil clutches are about to reach the Minato Tribe... (Source: MAL News)

The franchise's story is set in a world over a decade after futsal has skyrocketed in global popularity. Protagonist Haru Yamato watches the championship of the U-18 world cup and is inspired by a Japanese player named Tokinari Tenouji. He joins the Koyo Academy High School's futsal team with the goal of becoming a player like Tenouji. There, he finds friends, and together they face their rivals. (Source: ANN)

"There is a strong guy, come and challenge Daikokuten Bell!" Rumors were widespread in the world about the Bey Cemetery, "The Gate of Makai." And the owner is Daikokuten Bell. He is the true "Demon King" who is proud of being undefeated at The Gate of Makai. Bell jacks the broadcasts around the world and declares war on all Bladers! The Devil's Bay in his hand, Dynamite Belial! In front of the unknown Beyblade, legends such as Valt Aoi also stand up to face him! Now, the legend of Demon King Bell, who has turned the whole world into an enemy, is about to begin! (Source: Official Site)