This is a story about the life of a “girl with jewels,” caught in a death trap. Ingrid, crying beautiful precious tears, is abused, to ensure the prosperity of her family. In the end, she was killed, because “tears of death are the most powerful gems.” But the power of the last jewel turns back time for her. During the period of her return, she was repeatedly killed until she was told, “Die for my happiness, I hate you, sister." Ingrid discovers that she is being killed because of her sister's selfishness, and says: “I don't want any more unwanted tears” ...using the true power of the gemstone, Ingrid enters her final regression.

Wallace, the head librarian of the "Library of the End," has no memory. And what lies inside the forgotten library in the furthest end of the world are only a taciturn maid and the "Magic Monsters of the Books" that he just can't get through. The library gets no visitors and, as the head librarian, Wallace cannot leave. So he lives his days in relative solitude, unable to discover his past. And then, one day. He met Lucia, a witch apprentice from the "Village of the Beginning," through a mirror. This is a story of them, a lonely and gentle fantasy story; a fairytale that will not be passed down to anyone. [Official Website](https://dengekibunko.jp/title/saihate/)