FULL-https://static1.e621.net/data/73/e4/73e4fea00d4036b508b0119482805fc6.webm
- https://static1.e621.net/data/sample/99/4c/994c98946cf35753e3e93575d8857846_720p.webm
FULL-https://static1.e621.net/data/d8/97/d897d0900126239a3068b413829f7207.webm
https://e621.net/posts/2721717?q=zero-sum