Eren the Southpaw

Eren the Southpaw summary:

A mediocrity and a genius. Although distressed by the limits of his own abilities, Asakura Koichi still dreams of "making it big" in the near future. Meanwhile, Yamagishi Eren is dealing with the agony and solitude of being called a genius due to her overwhelming artistic talent. After their fateful encounter during senior high school, Koichi becomes a designer for a major ad company while Eren is working as an artist in New York. It's their individual setbacks in life that leads them to discover their true self.