Saki Hayashi

High schooler Ruri Tanigawa loves shiny things. She loves them so much that she heads into the mountains to search for crystals herself—where she unexpectedly meets Nagi Arato, a graduate student studying mineralogy. As the pair start collecting minerals together, Ruri begins developing a genuine appreciation for science and the beauty of the natural world.

When her beloved mother dies of illness, Miya Nakamura, the illegitimate daughter of a distinguished family, is brought into the Kounokura family's main household. Expecting nothing but scorn and cruelty for being a mistress's child, Miya prepares herself for the worst... Yet what awaits her is something she never could have imagined...!