約束の花 (Yakusoku no Hana)



Flower Of Promise is a song sung by Rin Kagamine and Len Kagamine. It is the one-hundred-and-seventy-eighth track in Other Vocaloid Songs 12: Mostly Rin Volume 2 and the one-hundred-and-seventy-third track in Other Vocaloid Songs 26: Mostly Len Volume 2.