猪突猛進ガール (Chototsu Moushin Girl)

Headlong Girl is a song sung by Miku Hatsune and Gumi Megpoid. It is the two-hundred-and-fifty-ninth track in Other Vocaloid Songs 15: Mostly Gumi Volume 2 and the two-hundred-and-seventy-seventh track in Other Vocaloid Songs 23: Greatest Hits Of Miku Volume 7.