[Touhou] I should really learn the story for Touhou so I know what I'm looking at
Sauce: https://www.pixiv.net/en/artworks/112759137
If not a rhetorical question in your title, this is Mokou, a phoenix-themed immortal youkai looking at the symbol of her nemesis, the moon from which comes Kaguya, another immortal, inspired from The tale of the bamboo cutter
Not rhetorical, but that still hardly makes sense to me.