Hakuji

From Intercross:

The beautiful, white skin of high school student Ichijou Seika stole the heart of the young genius painter Manabe Akiharu. However, in order for him to paint, Akiharu must touch that "something" or else his image won't expand. While desiring to touch her, he worries that his thoughts will dirty her...?!

Contains oneshots:
Shoujo Kansen Ritsu
Senjou nite, Kotoba Nakushite