[Squirrellord]

http://umineco.info/

It's in Japanese though, so I'd suggest using the Rikaichan Firefox plugin or something (pop-up Japanese translator)

Here's Kanon's page
http://umineco.info/?%E4%BD%BF%E7%94%A8%E4%BA%BA#kanon
And this is the line
勤続は3年前から