Yori Yuuki

As a standout student with academic excellence, this fifteen-year-old protagonist carries a deep, lifelong devotion to his twin sister, Iku. His complex character explores a long-standing romantic obsession with his sibling that has persisted since their early childhood. Making a brief but memorable appearance in a single chapter of Boku no Hatsukoi wo Kimi ni Sasagu, he serves as a poignant example of intense, complicated adolescent emotions.