Radiant Spincrystal 64

Radiant Spincrystal 64 is an item used in any Furnishing of the Euphonium Unbound series to unlock the Soundtrack Island of Crystal and Pearl in the Serenitea Pot.
It has a chance to be sold by the Teapot Traveling Salesman. It can only be purchased after completing the .
==Other Languages==
==Change History==
fr:Gyrocristal radiant 64
ja:旋曜玉帛・64
pt-br:Cristal Rodopiante Radiante 64
ru:Лучистый кристалл 64