w イラスト

Pixiv is an illustration community service where you can post and enjoy creative work.

image source http://nofootynolife.blog.fc2.com/blog-entry-3010.html

Piaproピアプロイラストてとちゃんｗ線画
image source https://piapro.jp/t/tOoN

image source http://blog.livedoor.jp/rikichan_kijitora/archives/30063220.html

A large variety of work is uploaded and user organized contests are frequently held as well.