Oshiete Hokusai!

Tenkorin Okakura is a high school slacker girl. While dreaming of a painter god, she makes a wish that her dreams can come true without practice or effort. The god Raijin hears her wish, summons real-life historical artists, and tells Tenkorin to have these artists teach her so that she can fulfill her dreams. Guided by their teachings, Tenkorin aims to become a real painter with a promising future. (Source: ANN)