Maiyuki decided to live with her parents-in-law due to her husband's transfer. Her father-in-law was a good old man with a terrifying libido, hugging her mother-in-law every night. The pant voice that can be heard at night. Her flesh clashes with her passionate, beast-like copulation, and her crotch aches. Her husband is pale in contrast to her father-in-law. Maiyuki's sexual desire is strong and she wants to have sex every night, and her heart gradually shifts to her unequaled father-in-law. Her desire to be embraced by her father-in-law swelled, and Maiyuki seduced her father-in-law herself on her dangerous day ...