初体験 (Hatsutaiken)

First Experience is a song sung by IA Akasaka, Rin Kagamine, Gumi Megpoid, Miku Hatsune, and Len Kagamine. It is the two-hundred-and-fortieth track in Other Vocaloid Songs 5, the third track in Other Vocaloid Songs 12: Mostly Rin Volume 2, the thirty-third track in Other Vocaloid Songs 15: Mostly Gumi Volume 2, the ninety-eighth track in Other Vocaloid Songs 22: Greatest Hits Of Miku Volume 6, and the fifty-ninth track in Other Vocaloid Songs 26: Mostly Len Volume 2.