Her husband died early and living alone with her son at the age of 20 was the reason why young mother Fujnami developed desires and desires for her own son. Being at a young age, the son was also very curious about sex and was as lustful as his mother. For these reasons, the two had incest with each other even though they knew this was forbidden. taboo, contrary to morality, but know what to do when their lust has reached its peak.
