Hanzo got a job, but relationships didn't go well, and he became a recluse. A year passed, and he was still living his life as usual, until one day his aunt, Reiko, showed up to visit... Hanzo, who is sexually uninhibited, ends up having a relationship with her, and he becomes obsessed with her, as if to release all the frustration he's been feeling. The two spend their days drowning in pleasure, greedily seeking each other out whenever they find an opportunity, drenched in sweat. And...