Kamase Inu no ōkanThe Regalia of the Underdog; かませ犬の王冠; Kamaseinu no Regalia

The battle for the throne between a loser and an elite anti-hero begins! Tarte is a boy who had everything - wealth, power, and talent - from the moment he was born. As he was getting ready to test his mettle in the King's Selection Exam, commonly known as the “Regal Ceremony”, which only one person can make the cut through, Figo, the son of a blacksmith whom he looked down on as a “fool”, challenged him to a duel on the school's graduation day…!?