The young wife, Yuuki, is having an affair with her husband's brother. Yuuki is scared of being found out, so she refuses at home, but she ends up going along with it. Her father-in-law witnesses it... and later, succumbs to his desires and attacks Yuuki. In the end, so that her husband doesn't find out, her father-in-law and brother-in-law take turns thrusting their dicks into Yuuki's pussy. Yuuki feels so good that she squirts multiple times!