In this steamy household tale, the four sisters-in-law—Yuzu, Mei, Sumire, and Yuri—each navigate their passionate relationships with their shared husband, blending tenderness with bold desire. Their nights overflow with intimate exploration and sensual surrender, weaving a rich tapestry of devotion and erotic connection as each woman discovers her deepest cravings while strengthening their unique, loving bonds within this unconventional but deeply devoted family quartet.