Talk:Vanilla/@comment-2600:6C56:4108:487:0:C25A:4AC2:BB5A-20180724152925/@comment-444327-20180724154511

Fairly certain Vanilla came first; Chocola and Vanilla are not new characters for Sayori. The earliest upload of the two girls on Danbooru from Sayori was uploaded 10 years ago.

https://danbooru.donmai.us/posts/266560

Multiple images of Chocola and Vanilla in the earlier days showed them in a lot of goth lolita outfits.

Regardless, both Vanilla and Kanna could arguably fall under the kuudere trope to an extent. Vanilla is also a bit of a siscon.