Gorou Honda, a little boy obsessed with baseball, has always admired his father, Shigeharu. Wishing to follow in his father's footsteps, Gorou dreams of becoming a professional baseball player. In turn, his son's starry-eyed admiration encourages Shigeharu to keep persevering, despite his late wife's death and his unsatisfying position on the second-string team Blue Ocean. Unfortunately, an elbow injury forces Shigeharu off the team, and he falls into despair. However, after an offhand joke from his childhood friend, Shigeharu reevaluates his choices and decides to keep playing, leaving behind his prime position as pitcher and taking up the bat. Now motivated more than ever, Gorou works hard to carve his way in the Japanese Little League. [Written by MAL Rewrite]

Kyosuke Kano has lived under the shadow of his successful brother Seisuke all his life who is a professional soccer player. Tired of being compared and downgraded at, he abandoned playing soccer until a boy from his new highschool discovered him and asked him to join their team. Kyosuke joins it and befriends two other first year players named Rodrigo and Sakai with the dream of becoming professional soccer players themselves. (Source: ANN)

Dan Bashin is a spirited teenager known for his aggressive playstyle in the card game Battle Spirits, earning him the title of "Clash King." One day, a mysterious green-haired girl transports him to the otherworldly land of "Grand Rolo," where disputes are settled by card duels. Upon his arrival, Dan is immediately thrust into a conflict between the kingdom's imperial army and its oppressed natives. There, he learns that he is a prophetic warrior known as a "bearer of cores' light," chosen to save the land from its evil king. Accompanied by a young boy named Zungurii and the eccentric witch Magisa, Dan travels across Grand Rolo and encounters the other chosen warriors through card battles. With the name of the Clash King gaining fame throughout Grand Rolo, secrets that lurk within the shadows of the kingdom's colonial past begin to surface. Only time will tell if Dan's campaign will affect the world on a scale much larger than he ever could have imagined. [Written by MAL Rewrite]

Two years ago, the world was saved by Dan Bashin and the other light bearers of the cores. Having once risked his life in Grand Rolo's strife, Dan no longer finds passion in the mundanity of everyday card battles. When Dan desires to clash against stronger opponents, he is approached by Mai Shinomiya. She offers to bring him to the future, the stage of a new conflict where Dan's strength is needed. The two arrive in the year 2650, where civilization has been ravaged by the struggle for power between mankind and an otherworldly race known as "Mazoku." As humanity begins to crumble under the dominance of the Mazoku, the hardened light bearers are destined to cross paths once more. Armed with new cards from the future, Dan and the other warriors must yet again bear the fate of humanity on their shoulders. [Written by MAL Rewrite]