: The original animation was part of a 2021 Halloween special .
If you saw this on TikTok, YouTube, or Twitter around October 2021, and it featured a blocky 3D Sadako crawling from a well or TV in a Halloween-decorated room, it was likely a under a different exact title. Try searching YouTube with: "Sadako" "3D" Halloween 2021 or Sadako requin 3D (in case “rekin” meant shark). sadako halloween rekin3d 2021