The Legend of Arthur Smith
From Shousetsu Bang*Bang Wiki
The Legend of Arthur Smith is a story written and illustrated by Yin Twig. It ran in Issue 65 at http://s2b2.livejournal.com/, and will be mirrored at http://www.shousetsubangbang.com/mirror/.
Summary
Arthur Smith is on vacation with his family when he finds a mysterious man fucking a wall.
