Ambiguous tag.
- For a type of herb, use Shiso (Plant).
- The word 始祖 (founder/originator) is never used as a tag.
- For some potential artists named shiso: shiso_* | *_shiso
- For some characters named shiso: shiso_* | *_shiso
- For some copyrights named shiso: shiso_* | *_shiso