'Mushi' are the most basic forms of life in the world. While the majority of humans are unaware of their existence, there are a few like Ginko who is a 'Mushi-shi' that travels around to inv... Read all'Mushi' are the most basic forms of life in the world. While the majority of humans are unaware of their existence, there are a few like Ginko who is a 'Mushi-shi' that travels around to investigate and find out more about the 'Mushi.''Mushi' are the most basic forms of life in the world. While the majority of humans are unaware of their existence, there are a few like Ginko who is a 'Mushi-shi' that travels around to investigate and find out more about the 'Mushi.'