Eevee had such a bad stomach ache that they almost grew another tail out their butt for a moment. Maybe they got it from Ninetales after watching them at this place?
(See attachments for videos)
HQ version will be here when ready: https://www.dropbox.com/sh/9xt697c79lzwh0u/AAD1EI8UXIVkm6uOYvP3--57a?dl=0