He escapes to a hot spring with his voluptuous J-cup mistress Mitsuki for a trip devoted to their affair. Alone with no one to interrupt, they fuck as much as they want, and his guilt toward his wife only keeps him hard. Mitsuki shows off first-rate titjobs, blowjobs, and an irresistible body through sweaty sex in the mixed bath and homemade porn to remember the trip. They surrender to animal instinct and stay joined until the last possible moment of their shameless but unforgettable overnight getaway.