Exhausted by failure at work and in his private life, Kakeru abandons everything and ends up at a run-down hot-spring inn. There he meets the married Maki, and their instant connection leads them to spend the night together. Forgetting the burdens of everyday life, they indulge in sex around the clock and lose themselves in a fleeting affair. Sweaty amid the steam and consumed by lust for her, Kakeru drives deep into her soaking pussy and repeatedly cums inside.