Pietro, prince of PopoloCrois Kingdom, is the son of King Paulo and Queen Sania, a dragon from the Ryu clan. This dragon heritage grants him partial dragon ancestry, a key aspect of his identity revealed during his adventures. His lineage manifests in unique abilities, including the potential to wield the evolving Dragon Sword, which grows alongside him. At age ten, Pietro learns his mother, believed deceased, is comatose. He embarks on a journey with Narcia, an apprentice forest witch, to retrieve Queen Sania's soul from the underworld. This quest showcases Pietro's deep compassion and developing courage. His bond with Narcia strengthens into mutual affection, a recurring theme. By twelve, Pietro faces new challenges when the kingdom is transported to another world. He leads efforts to investigate this phenomenon and rescue missing allies, including his father. This phase highlights his growing leadership and responsibility. At fifteen, a more mature Pietro confronts a goddess threatening the world with ancient tablets. He navigates complex battles and emotional trials, including protecting Narcia from threats related to her secret ability to transform into Kai—a form vulnerable to seawater. Their relationship deepens, marked by cherished moments like their first date and Narcia's heartfelt gestures. Later, Pietro marries Narcia and becomes king. Their son, Pinon, becomes the protagonist of subsequent stories. Pietro shifts to a supportive role, advising Pinon during adventures involving elemental disturbances and new threats. His legacy as a compassionate ruler and devoted family man is evident in Pinon's journey. Pietro's character develops from innocence to wisdom, emphasizing themes of love, racial equality, and perseverance. His actions consistently reflect a commitment to protecting others and fostering unity, fulfilling his destiny as a bridge between humans and dragons.