Hiroe Tashiro's son and his childhood friend, Junpei, come to visit, but the son has stepped out and won't return until tomorrow, so Junpei ends up staying the night at Hiroe's house. That evening, Junpei confesses that he's secretly admired her for years, stirring emotions deep within her. As her heart wavers, the pure intensity of his feelings begins to break down her resistance, leading to an inevitable and passionate encounter.