Busted!

Removed Sakuya tag, as that's the wrong hair color.

sgcdonmai said:
Removed Sakuya tag, as that's the wrong hair color.

Are you sure? It looks like Sakuya to me.

Wrong hair color? She's wearing a maid outfit, her hair is styled the same, and she's making out with Meiling. The arguments for outweigh those against. Tag reinstated.

Tetrominon said:
Wrong hair color? She's wearing a maid outfit, her hair is styled the same, and she's making out with Meiling. The arguments for outweigh those against. Tag reinstated.

And on the Pixiv's page, one of the tags is Sakuya's name, written in kanji.