It is from the same website: http://www.pixiv.net/response.php?illust_id=7079159 that other pic in the pool: Touhou - Love Confessions in Gensoukyou is in... So I put in that pool, even though this pic has no the same background as the others do.
06cloud said: So I put in that pool, even though this pic has no the same background as the others do.
That's fine, you're doing it right. If it's tagged right on pixiv, and/or appears in the Image Response list, then it most likely qualifies. This does.