"I love you, Onee-san!" comes a confession from Shinya, my son's childhood friend. Trying not to hurt his youthful sincerity, Ryoka attempts to gently reject him, but Shinya's feelings appear utterly serious. Sensing his genuine affection, Ryoka's heart begins to stir with long-buried emotions. As their conflicting desires intertwine, a poignant and passionate story unfolds.