The Crown Prince's Secret Tales

※ This work is a creation of the author and is unrelated to actual history. ※ This work shares the same setting as the <Eumran Seonbi-dyeon> series. Please keep this in mind while enjoying the story. The Crown Prince of a nation. The legitimate eldest son of Gangnyeongjeon and Gyotaejeon, Lee Gyeol. Though he lives a life admired by all amidst stable royal power and a peaceful populace, he is plagued daily by the pressure to produce an heir as soon as possible. “If it is so that Your Highness may maintain your erection, may I offer my assistance?” However, his relationship with the Crown Princess remains utterly stagnant. Then, he meets a teacher, Taeheon, by chance, who proposes a s...