At last, he successfully made his slutty brat little sister obedient to him. But only when they had sex at night. During the day he had to dose her with a drug that made her a f*ck hungry sow. So he retrained her all over again as his personal sex pig. Finally...
This CG is the second set of the series of three, and here is the link to have further watching 1. ¥交編: e-hentai.org/g/534215/2e1b2d0503/ 2. 調教編, this chapter 3. 調教完了編, the finishing chapter: e-hentai.org/g/550895/80eead4cb8/