パジャマっ子☆ (Pajama Kko☆)

Pajama Girl is a song sung by Rin Kagamine with Len Kagamine doing the chorus. It is the one-hundred-and-ninety-seventh track in Other Vocaloid Songs 11: Mostly Rin and the two-hundred-and-ninetieth track in Other Vocaloid Songs 25: Mostly Len.