Tsuma no Tame ni Tameta Kozukuri Seishi o Gimai no JK Manko ni Nagashikondeshimatta Boku.

We're a newlywed couple of 3 months. At around the time we began to devote ourselves to babymaking, my wife's younger sister Nana-chan (who's a high school girl taking her university exams) paid a visit to our new home. A dinner for 3. That was all it was supposed to be.. but when my wife fell asleep, Nana-chan came on to me!? Even while knowing we shouldn't be doing this, I fell to Nana-chan's naughty seduction and big breasts, and I ended up pouring the semen I saved up for babymaking sex with my wife inside the pussy of my high schooler sister-in-law.. (Source:.