Because of changes in seating arrangements, high school student Tsuda ends up behind the quiet and expressionless Endou. Their interactions are born from a trivial incident, and he begins to see a side of Endou that he has never gotten to know before. That mole, slender nape, and soft hair. The subtle faces that he makes and little changes in his attitude. But Tsuda, who used to be indifferent about others and never made any deep connections, now feels impatient about the distance between Endou and himself. What on earth is drawing these feelings?