Nanami Madobe

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General Information
Full NameNanami Madobe
BirthdayApril 6
Universe/OriginMadobe Universe
PersonifiesWindows 7
Height160 cm[1]
Hair ColorBlue
Eye ColorBlue , with rainbow reflect

Nanami Madobe (Japanese: 窓辺ななみ, Madobe Nanami) is an OS-tan that personifies Windows 7.


Her first formal mention was in an Akiba-PC article[2] from September 24 2009[3], announcing that a limited bundle, which includes a disc containing wallpapers and system sounds featuring her, came with 7,777 preordered copies of Windows 7 Ultimate. However, a Twitter account for her was already created on September 14 2009[4], tweeting news related to Windows 7[5].


Nanami was born on April 6[6], the day her father was setting up Windows 3.1. She is currently in her first year of college[7]. Her family consists of her parents, an older brother, and an older sister. Both her father and brother are PC junkies. She is a cheerful person with a bit of a screwed-up side. When Windows 7 was released, her best friend asked her to work part-time at a parts store, even though she is not used to it[8].

Notable Appearances


  • In the Akihabara Moe Characters Contests, Nanami ranked second in the 2009-2012 and 2019 polls (always behind Tsukumo-tan), and third in 2013 (again behind Tsukumo-tan, and Suisho Shizuku).

See also

Notes and references

  1. According to the Yū and Ai's Profiles, indicating that they are 152 cm tall and 8 cm less than Nanami.
  3. Though the article is dated from September 26, it was already linked on September 24 in a @windows7_nanami Tweet.
  4. Nanami Madobe's Twitter Account @windows7_nanami
  5. Nanami saying that she is tweeting the Windws 7 news as a part-time job
  6. On older archive captures, the year 1992 is mentioned.
  7. At the time her profile for the Webcomic was written since she graduated at some point like implied by campaigns about the End of Support of Windows 7.
  8. Her profile on the Microsoft Japan's section for the Cloud Girl Webcomic (along with three other characters') (archive)