Two brothers explore the forbidden in a provocative story that delves into the depths of familial bonds. On the eve of Rikuto's wedding day, his accomplished and attractive younger sibling, Takumi, makes a surprise visit, intending to offer congratulations. However, their encounter takes a twisted turn when Takumi restrains Rikuto and seduces him intimately. He declares that he'll do anything in his power to prevent the wedding ceremony, begging the question of whether their taboo union will lead to bliss or leave them struggling in the shadows of sorrow.