Hiroshi Tanaka

Does anyone know about  the following Japanese 70s private obscurity ?
The name of the male artist is  "Hiroshi Tanaka " .
No info on the Internet....

At last , this album will be reissued in June .

https://firstandlastrecords.com/shop/catalog/untitled-white-album/