He's been doing variations on this for NINE YEARS on 9/9 at this point

Reimu and Marisa's expressions change every year, too.

Zelinkokitsune said:

He's been doing variations on this for NINE YEARS on 9/9 at this point

I only see three variations and can't find any others.

ZanzaKlaus said:

I only see three variations and can't find any others.

http://www.pixiv.net/member_illust.php?id=75677&tag=%E2%91%A8%E6%9C%88%E2%91%A8%E6%97%A5

One more year, and he'll be able to compile it into 10 year progress record.

ZanzaKlaus said:

I only see three variations and can't find any others.

That's because many of the older ones weren't "fit for Danbooru" so to speak. Seeing the early ones, and comparing them to the new ones, really is a testament to how much he's improved over the years.