ハッピー・トリガー・ハッピー (Happy Trigger Happy)



Happy Trigger Happy is a song sung by Miku Hatsune, Rin Kagamine, Len Kagamine, Luka Megurine, Meiko Haigo and LOLA. It is the two-hundred-and-sixtieth track in Other Vocaloid Songs 6, the one-hundred-and-seventy-third track in Other Vocaloid Songs 9: Mostly Luka Volume 2, the one-hundred-and-eighty-eighth track in Other Vocaloid Songs 11: Mostly Rin, the one-hundred-and-twenty-first track in Other Vocaloid Songs 21: Greatest Hits Of Miku Volume 5, and the two-hundred-and-seventy-eighth track in Other Vocaloid Songs 25: Mostly Len.