一心不乱 (Isshinfuran)



Wholeheartedly is a song sung by Luka Megurine, Gumi Megpoid, and Miku Hatsune. It is the two-hundred-and-tenth track in Other Vocaloid Songs 9: Mostly Luka Volume 2, the eighth track in Other Vocaloid Songs 15: Mostly Gumi Volume 2, and the one-hundred-and-sixteenth track in Other Vocaloid Songs 22: Greatest Hits Of Miku Volume 6.