一つの誓いよ、永遠の歌となれ (Hitotsu no Chikai yo, Towa no Uta to Nare)



Ichido No Chikai Yo, Towa No Uta To Nare is a song sung by Rin Kagamine and Len Kagamine. It is the three-hundredth track in Other Vocaloid Songs 32 and the first track in Other Vocaloid Songs 33.