Yuki Yin is the deep voice and Chi Suka is the high voice. If you didn't know, Chi Suka is a bit young. o3o Yuki Yin and Chi Suka belong to me the song is trick and treat by Chi Suka and Yuki Yin(orignally by Kagamine Rin and Kagamine Len) :) I still have a bit more... They are both girls, mkay? ♀
