I Have the Final Say on My Destiny

My father was the king of this country and I could have been a prince. But there is an old tradition in our country that families will discard children with poor health, and even the royal family is no exception. So... I was left *. More than ten years later, by chance, I developed a unique martial arts. Now someone wants to annex my country, and I will never allow such a thing to happen... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.