唯一、愛ノ詠 (Yuiitsu, Ai no Uta)

Yuiitsu, Ai No Uta is a song sung by Miku Hatsune, Rin Kagamine, Luka Megurine, Gumi Megpoid, and IA Akasaka. It is the fifty-first track, the fifty-second track, the fifty-third track, the fifty-fourth track, and the fifty-fifth track in Other Vocaloid Songs 58: Making A Comeback Volume 6.