Even though she's a fox it still looks like Ruki. Good job on that! The coloring doesn't look right because of the way you color. It would look a lot better with shading and a smoother lay down.

Good job drawing Rukie; it certaintly looks like her. The reason why the colors don't look right rests in the lack of shading and no smoothness in colors. Although smoothness is a question of preference most art looks better with more solid colors.