水神の生贄

Asahi, a young girl living happily with her parents in modern times, is suddenly pulled into a pond and awakens in a mysterious, ancient world reminiscent of feudal Japan. Rescued by Subaru, a boy from a nearby village, she is soon betrayed and offered as a sacrifice to the enigmatic Water Dragon God. Saved on a whim by the immortal and aloof deity, Asahi finds herself bound to him, navigating a strange new life filled with danger, magic, and unexpected connections. As she grows and faces the challenges of this unfamiliar realm, Asahi begins to uncover the secrets of the Water Dragon and the ties that bind them. (Unreviewed summary by Grok 2)