Office lady Maria spends a night with her company superior at a traditional inn, where their bodies become entwined. Unable to sleep, they lose themselves in passionate intimacy throughout the night. The following morning, even while soaking in the hot spring, their desire shows no sign of slowing as they begin moving intensely once more. Maria engulfs her boss's penis, depicted as she relentlessly pursues pleasure. Her superior reaches climax inside her mouth, and Maria swallows it all—her actions embodying a frenzied, insatiable woman who lives solely for sex.