I am going to make a link to Chocolate's post about Natu, because this is an important announcement:
http://chocorate007.blog.shinobi.jp/Entry/85/
He says:
JCM tried modifications to the results , I noticed that there is no sense and good bone. Become modified following the modification like this ... ( _ _)
So , NATU rebuilt from scratch to fix bones of the body . Modified the way, "NATU Ver.1.5" is . Cyber clothes would come with .

Therefore, Natu figure upgrade version is forthcoming.

Eternal Hobbyist