Meaning Of Vagaina What Is The Meaning Of The Song "Shinda Shima" By Mellow? I Really Want To Know?

What is the meaning of the song "Shinda Shima" by Mellow? I really want to know? - meaning of vagaina

It is a very interesting song, but I have no idea of the meaning of the song. I have the letter, of course, but I read somewhere that the song is over, I looked around, I think,