Ruri no Houseki

While shopping, high school student Ruri Tanigawa is captivated by a crystal necklace. Due to its high price, she can only dream of owning one—until her mother tells her about a mountainous area where Ruri's grandfather used to discover numerous minerals. As she makes her way to the location in the hope of finding materials to make her own accessories, Ruri meets Nagi Arato, a graduate student, wh…