Existence/ZDST

Existence is a song sung by Ken Yamaha and IA Akasaka with Mizki Himemi and Yuuma Himemi doing the chorus. It is the two-hundred-and-forty-fourth track, the two-hundred-and-forty-fifth track, the two-hundred-and-forty-sixth track, and the two-hundred-and-forty-seventh track in Other Vocaloid Songs 141.