I got the new Henshin from the site AnTiHrIsTiS posted the day it came out. Thanks for posting that I have been looking for it for a while now, I didnt save the link after some one on /jp/ gave it to me. Sadly I am not a member of the site though.
I found a cached version of http://sukebei.nyaa.se/ which has a link to OH!!マイクロマン~小さくなって女の子の色んなトコロに入っちゃお~. I am trying to hunt down whether that torrent still exist. Here is the link to the cached version of sukebei.nyaa...