1) Think what important Touhou event just passed. 2) They are not Breast Size/Age 3) Why do people with higher numbers are jealous over people with low numbers.
Well, Sanae has been more high profile than Sakuya recently, which is one reason.
Anyway, I made a pool for these, since there was some confusion. I also knew a few were going uncategorized and there's quite a bit on Pixiv too. Not sure how necessary it is, but we'll see.