Everyday walking home from school, Ito plays a game by himself to only walk on the white line on the road.  He consistently passes Nishi on his way who happens to be playing the same game.  The two begin to expect and even plan to meet on the path and begin to build a connection.

Nishi and Ito grow together in their communication and understanding of each other throughout their college years.

The pressures of the working world and expectations of "normalcy" weigh on Ito and Nishi.