The two who have begun to climb the stairs of adulthood desperately struggle to grasp the budding love, a fleeting yet beautiful moment. A summer day just like any other. The unchanged profile and the occasional innocent smile stir the heart unbearably. Suddenly, the impulse of sex strikes. Noticing the 'woman's face' that shakes the relationship that was supposed to be just friends, various emotions begin to rage. To overcome the approaching 'parting', the two start walking step by step….