Nothing Says Windows 8 Quite Like Anime SchoolgirlsBrian Ashcraft10/12/12 4:30amFiled to: MicrosoftWindows 8WindowsPCwindows 7Yuu madobeAi madobeKotakueastJapanAkihabara55EditPromoteShare to KinjaToggle Conversation toolsGo to permalink Microsoft and anime girls are not strangers in Japan. In fact, you could say that Microsoft and Japanese anime girls are a thing. And not a new thing at that! For Windows 7, Microsoft had an OS character—or OS-tan, as they're called. OS-tans are anime personifications of operating systems that are created online by fans. Microsoft created an official OS-tan for Windows 7 named Nanami Madobe.