Rei Yasuda - Hikari no Sumika Lyrics
Introduction to MINERALOGY Opening Theme Lyrics
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Japanese Title: 光のすみか
Description: Opening Theme
From Anime: Ruri no Houseki (瑠璃の宝石)
Performed by: Rei Yasuda (安田レイ)
Released: 2025
Japanese Title: 瑠璃の宝石
English Title: Introduction to MINERALOGY
Original Release Date:
- July 6th, 2025
Ruri Tanigawa, a high school girl who loves all things sparkly, thinks, “Maybe I can find some too!” and heads into the mountains in search of crystals.
There, she meets Nagi Arato, a graduate student majoring in mineralogy, and the two begin collecting minerals together.
Sometimes they trek mountain trails in search of quartz.
Other times, they wade into rivers to gather garnets.
And at times, they peer through microscopes at unfamiliar minerals—
Guided by Nagi, Ruri dives headfirst into the fascinating world of mineral collecting.
“I can find them too— I know I can.”
A dream we've all had at some point.
The adventure of real science begins!
