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Win Chan.png
General Information
Full NameOS Idol Win-chan
DesignerMine Yoshizaki
PersonifiesMicrosoft Windows
Hair ColorSavoy Blue
Eye ColorYellow

OS Idol Win-chan (Japanese: OSアイドルWinちゃん) is an unofficial Microsoft idol designed by Mine Yoshizaki for TECH Win, a PC magazine published by Enterbrain. However, the editor-in-chief has suspended the serialization for Win-chan. Since then, multiple derivative works of Win-chan had been released, including fanbooks and figures. She was voiced by Yui Horie, a prominent Japanese voice actress.[1]

Since Win-chan didn't have specific detail on what Windows OS she is based on, it could be assumed that she was a catchall personification of all Microsoft Windows operating systems.


OS Idol Win-chan's earliest appearance in media seems to be from a promotional CD[2] by Enterbrain, which dates back as early as October 1998. This would mean that Win-chan predates Me-tan by almost 5 years.

Merchandise featuring Win-chan

  • OS Idol Win-chan Complete Fan Book SKYBLUE (Tech CD-ROM book)[3]
  • OS Idol Win-chan Figure by Kaiyodo[4]
  • OS Idol Win-chan 1/8 Figure Ver.3 by Organic[5]


Win-chan has a theme song[6] titled "Win Was Forever" with lyrics written by Mine Yoshizaki, music by Takahiro Iwai and sung by her voice actress Yui Horie, which was released in TECH Win's October 2000 issue.

Notes and references