Windows7-Mania.jp was a domain used by Microsoft Japan in order to promote Windows, notably with their OS-tans. They abandoned the domain at some point, then several squatters caught it, before I bought it myself. Here is the latest known archive of this root page: https://web.archive.org/web/20120905170039/http://www.windows7-mania.jp/ Useful links about OS-tans If you landed on this page, you ar