Mother-in-law and son - To save the son of a sex offender - Yumika Saeki
Originaler Titel: NSFS-115 義母と息子 ～性犯罪者の息子を救うために・・～ 佐伯由美香
His son Nobuteru was a sex-crazed man. Yumika, his mother-in-law, uses her own body to relieve his sexual desire so that he will not turn to crime. This is a story of forbidden lust between father and son.
