A fleeting yet beautiful moment in which the two, who have just begun to climb the steps to adulthood, struggle desperately to grasp the love that has blossomed into them. - A 'normal' summer day. - The same profile as always and the innocent smile that he occasionally shows stirs my heart. - A sudden sexual urge. - He notices the ``woman's face'' that shakes up their relationship, which was supposed to be friends, and a variety of emotions begin to run wild. - In order to overcome the approaching "breakup", the two of them take steady steps one step at a time...