Sena Hoshimiya

Sena Hoshimiya shares no blood relation with protagonist Eiji Hoshimiya, yet she holds an irreplaceable place in his heart as his adoptive sister. Having spent much of her youth confined to a hospital bed battling a rare form of leukemia, she serves as the sole emotional anchor keeping Eiji grounded. As the narrative unfolds, a startling revelation comes to light: it was this seemingly delicate girl who, a decade ago, made the fateful wish to "destroy the world," unknowingly setting off a catastrophic chain of events. Her presence weaves together the story's deepest emotional threads and its most pivotal mysteries.