Ruri Tanigawa

A high school girl with a deep love for sparkling accessories, she ventured into the mountains driven by a dream of digging up gemstones herself. There, a chance encounter with mineralogist Arато Nagi set her on a journey into mineral collecting. Though she started with no scientific background whatsoever, her boundless curiosity and proactive spirit gradually transformed her from someone who simply admired beautiful stones into an enthusiast genuinely exploring the mysteries of earth science.