Radiant Spincrystal 51

Radiant Spincrystal 51 is an item used in any Furnishing of the Euphonium Unbound series to unlock the Soundtrack Everlasting Devotion 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==
es:Girocristal radiante (51)
fr:Gyrocristal radiant 51
ja:旋曜玉帛・51
pt-br:Cristal Rodopiante Radiante 51
ru:Лучистый кристалл 51