Zack is the master of the Magic Tower. One of the TMC novel, where TMC Princess. Cam was reborn into the 3 prince Edward, brother of the princess. In a previous life, he felt sorry for him, because he was ill. So he decided to live a full life. Everything would be nothing... But men’s TMC started paying attention to him. Zach was the strongest. He’s obsessed with Edward. Although you are the guy and brother of the main heroine. Then you ran away and lived in an old village house.