永遠かもしれない

Kosumo Koganehara, a 17-year-old girl with a severe heart condition, undergoes a life-saving heart transplant in New York, receiving the heart of Himiko, the 99th-generation Japanese miko with extraordinary spiritual powers. After the surgery, Kosumo meets Hitsugi, a young man who served as Himiko’s guardian, who reveals the heart’s ancient connection to Japan’s first miko, granting Kosumo mystical abilities. As she adjusts to her new life in Tokyo, Kosumo experiences visions of gods and senses a looming threat tied to her new powers. Hitsugi stays by her side, guiding her through encounters with divine beings and a mysterious enemy. Their journey begins with Kosumo embracing her role in a battle to protect the world, blending romance and supernatural mystery. (Unreviewed summary by Grok 3)