Also known as: SFWイラスト, sfw_illustration_(meme), 限制级留白, 留白隐形人
A drawing Meme in which a character is pictured from a POV perspective performing Cunnilingus or Fellatio on a recipient whose body is pictured only as a Negative Space Silhouette. Commonly seen with a caption saying "SFW Illustration" / "SFWイラスト", though this phrase predates the meme and is used in other circumstances.