A married woman's heart and body tremble on a hot spring trip. Her husband is a domineering man from Kyushu who tightly controls her, forcing her to endure years of suppressed affection and patience. But upon realizing he is a mama's boy, she grows disgusted and depressed, deciding to escape on a journey to clear her mind. On her trip, a man makes advances, and though she initially resists out of shyness, once ignited, her passion becomes uncontrollable—she experiences squirting for the first time and reaches climax after climax. Riding atop the man, she unleashes her desires with skillful hip movements, chasing pleasure with a fiery intensity that refuses to stop until the journey ends. Even in the morning, her ecstasy doesn't fade—being taken from behind in an outdoor bath reveals just how deep her lust truly runs.