The Carmon Kingdom is a medieval-style fantasy world where humans and monsters live together. Monkart Racing is the most popular sport in the kingdom, as the highest ranker can be selected as knight. 12 year-old Jin of Latona Village also dreams to be the winner someday to honour his father the late Keit Hayst.He aspires to be like the greatest knight(alive if we say all time Than Keit would be the greatest) Destro. One day, Destro, commander of the knights, invades the kingdom