Kizuna Sakura, celebrating five years as a million exclusive actress, is invited to a special project where she experiences ultimate pleasure. After being instructed to abstain from sex and masturbation for one month, she is taken to a hot spring inn, where she's immediately engulfed in supreme ecstasy with outdoor bath sex upon arrival. She then undergoes teasing oil massage that drives her to uncontrollable, massive squirting. The finale features intense 4P sex, pushing her body and mind to the brink of orgasm, delivering the most exhilarating experience imaginable.