Natsuki, a young wife who was living a happy married life. However, one day, she is forcibly embraced by her father-in-law who had set his sights on her young and voluptuous body. And from that day on, a forbidden impregnation sex that she can't tell anyone begins! The married woman who couldn't tell her husband and just endured... Her mind breaks down in this unbelievable daily life of being embraced and creampied in her own home with her husband next to her... She seeks her father-in-law's dick and shakes her hips herself.