The Painted Face
From Shousetsu Bang*Bang Wiki
The Painted Face is a story written and illustrated by Amai Tonken. It ran in Issue 33 at http://s2b2.livejournal.com/193361.html, and is mirrored at http://www.shousetsubangbang.com/mirror/the-painted-face/.
Summary
From isiscolo.livejournal.com: "A young Chinese-American feels alienated from his best friend and gets a job working for an older white man who seems to be obsessed with Chinese culture."