I listen to this so much, Kaito and Miku are my favorite Vocaloid ship! Their voices sound great together (how I end up shipping most of the vocaloids, lol). It also helps block out the annoying brats in math who don't know when to zip the lip.
I think kaito and miku is best vocaloid ships because they have so many beautiful duet songs like Cantarella,cendrillon,ohedo julia night,when i come home my wife pretends to be dead,morning call,knight of light,onaji youni,crazy clown,tsumi no tsuki,stalemate,catastrophe etc etc.
Kaito and Meiko is make for each other. Actually they're about to release as couple by crypton, but then they decide that they want to give the fans freedom to pair who with who. Still, that's mean KaiMei is pretty much an original pairing ( Non - fanmade ). So, if there's anyone who gets in way, that's miku