"My wife's tits belong only to me..." says husband Yuuya, consumed with longing. He truly loves his wife's breasts—soft yet firm, like marshmallows—and is utterly captivated by their perfect texture. He believes they're his alone, a source of pride and intimacy. But one day, a heated argument with his coworker Taguchi over work nearly escalates into a physical fight, barely avoided. Yet Taguchi's pent-up frustration soon shifts toward Yuuya's wife...