Shouko Equuleus is the main protagonist of the manga and anime series 'Saint Seiya: Saintia Shō', a spin-off of the original Saint Seiya. She is a determined and courageous young woman who becomes the Equuleus Saintia, fighting to protect Athena and the world from evil forces. Driven by her love for her sister Kyoko, Shouko overcomes numerous hardships, developing both her fighting abilities and inner strength. Her journey is central to the plot, showcasing themes of resilience, sisterhood, and justice.