Oni no Sennen Koi

Chitose, a young girl, has been subjected to emotional torment both at school and at home, ultimately leading to her expulsion from her family's residence. Faced with the unbearable weight of her circumstances, she whispers a desperate plea for help. To her surprise, she is suddenly taken away by a handsome stranger who reveals that he has been searching for her for thousands of years. The enigmatic man claims that he has been a ghost, pining for Chitose throughout eternity. As he begins to shower her with affection, Chitose finds herself inexplicably drawn to this otherworldly being. However, her new reality is fraught with uncertainty, as she struggles to reconcile the demon's unwavering devotion with the unshakeable secrets of his true identity.