Radiant Spincrystal 31

Radiant Spincrystal 31 is an item used in any Furnishing of the Euphonium Unbound series to unlock the Soundtrack Rhythm Amidst the Reeds in the Serenitea Pot. It has a chance to be sold by the Teapot Traveling Salesman.
==Other Languages==
==Change History==
es:Girocristal radiante (31)
fr:Gyrocristal radiant 31
ja:旋曜玉帛・31
pt-br:Cristal Rodopiante Radiante 31
ru:Лучистый кристалл 31
vi:Ngọc Thạch Âm Vang 31