I believe this is KaiKai and Kai’s first duet right? xD
YuKai UTAU Productions Official site here:
KaiKai is the oldest in the Kim family
Kai is the middle child of KaiKai Kim and Iak Yukai.
And yes, they are both voiced by me.
The voicebank will be up for download soon.
If you have any quesions please feel free to ask them
in a comment or in a private message.
Picture drawn by KaiSuki
UST by ReicheruCharin
KaiKai KIm & Kai Kim (C) KaiSuki