HUNTC-199 My sister forcibly moved in with my wife and me for school. She seems to have feelings for me and is fully trying to seduce me. Every day she makes me ejaculate, obstructing our family planning.

A new home with my wife. Just as we were talking about seriously having a baby, my sister forcibly moved in to commute to school. If it were just cohabitation, it would be fine, but my sister seems to have feelings for me and is fully seducing me. She comes on to me every day, obstructing our family planning...! At first, I strongly refused, but my sister, who is cuter and more erotic than my wife, gradually attracts me... Now the sperm that comes out during sex with my wife for making a baby is as thin as water! Wife, I'm sorry!