Yayoi, who harbored a fondness for violence, truly loved her husband, Takashima. However, one day, he suddenly brought home a woman named Shizuka and declared her his "second wife." From that moment on, a deep whirlpool of jealousy and love emerged between Yayoi and Shizuka. Feeling pushed to her limit by her husband's favoritism toward Shizuka, Yayoi eventually resorts to the extreme act of offering her anus to him. Shocked by this turn of events, Shizuka flees the house. A tragic tale unfolds where madness born from a husband's love intertwines with the fates of two women, blending sorrow and passion.