Regret it? I'm the Supreme Prince

Leo, the long-lost heir to the throne, has been living quietly as a humble fisherman while secretly becoming the most powerful mage in the world. He devoted himself to Fiona after she saved his life, expecting her love in return, but the moment she joins the Royal Magic Corps she discards him and publicly humiliates him. When his mother, Queen Eleanor, finally tracks him down, his real past starts to surface. With enemies attacking from every direction, Leo must decide when to reveal the full extent of his strength.