Sakura Kizuna, who has surpassed five years since her debut as an exclusive million actress, is the subject of a sensual hospitality project aimed at rewarding her with the utmost pleasure. For one month, she is invited to a hot spring inn under a no-sex, no-masturbation ban. Upon arrival, she indulges in an intense outdoor hot spring sex session, followed by an oil massage that leads to teasing stimulation, causing her to involuntarily gush in large amounts. In the final 4P sex scene, she nearly reaches a climax of ecstasy, on the verge of fainting!?