Well.. Volume full of stories about brother and sister incest relationships..
ending up with happy pregnancy.
Turning My Elder-Sister Into a Sex-Sleeve (English)
Mangaka: Nozarashi Satoru (2012)
Genre: volume, impregnantion, preggy sister, twincest, incest child, wedding
Size: 264MB 197pages
1. Twins Obscene Paradox (short color)
2-3. Obscene Twin Paradox
4. Twin Sisters are Agressive Lately
5. Obedience is Best If Feels Good
6. Secret Preggy Wedding