Chanto Tsutaeru plot
"A son with a shorter life expectancy than his father."
In his twenties, Shiro's emotional struggle with the fact that his father has cancer and may soon die, makes him realize that he must tell him his love and admiration for his father before he can no longer. Through a series of flashbacks, we see their relationship through time and the problems Shiro had with his father, who was also his teacher and football coach.