Licht, the third son of the prestigious Esterk family, is called a "cursed child." Unbothered by his reputation, he pretends to be incompetent. One day, he saves a princess from thieves. She begs him to be her bodyguard, praising his unmatched swordsmanship. He refuses, but she convinces him to attend the Royal Academy with her. At the academy, Licht continues to hide his talents, but his exceptional abilities are hard to ignore. This is a story of a young man who hides his true strength while navigating academy life and the many challenges that come his way.