理想郷 (Risoukyou)/Shuujin-P

Utopia is a song sung by Rin Kagamine and Len Kagamine. It is the one-hundred-and-forty-fifth track in Other Vocaloid Songs 12: Mostly Rin Volume 2 and the two-hundred-and-fourteenth track in Other Vocaloid Songs 26: Mostly Len Volume 2.