The valor dragon slayer, Alford, travels with Yuri and his group to expel his misconceptions about the Demon tribe. Thanks to Belma's plot the village is under attack by a mother dragon. After returning to Covenant Castle, "Yuri's child" visits him but she turns out to be an assassin! Later, while recuperating from an injury at a hot spring resort, Yuri manages to help Greta escape. When Yuri and his group arrive in Shildkraut, they meet a mysterious masked swordsman. Under the mask, awaits an unexpected face! At the same time, Yuri decides to save the town from illegal casino promoter Louis Vuillon. In order to succeed, Keiji the sand bear has to win the race against Hell Paradise Goala in an unusual beast race!