Yurie visits her husband's parents' house before the first anniversary of his death and meets her brother-in-law, Akira, for a long time. Unfortunately, her parents are not there at the time, so Akira invites her in and they spend time together. However, Akira's carefree smile reminds her of her late husband, and she blurts out the words she had almost forgotten. Driven by her uncontrollable sexual desire, Yurie goes to Akira while he is taking a bath, presses her soft, beautiful breasts against him, and devours his lips and saliva... Yurie simply seeks pleasure as her instincts dictate...