A Woman, A Mother, A Wife.
 
This is what she is, and yet she has been taken advantage of by a school kid - Raped with unbelievable positions. Her son begins to suspects things but has no clue.
 
How will she be able to maintain her life if she pledges to be a sex slave to A KID... ?
 
A SINFUL MOTHER is what she is. 
 
Volume 1
 1-9. Tsumi Haha (つみはは)
 10. Hakuri (剥離)
 11. Koneko (仔猫)
 Volume 2
 12-21. Tsumi Haha (つみはは)
 22. Acmé (アクメ)

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