I love the way the one twin is arching into it, and gripping the blankets and flexing his toes! GUH! I also like the way you've composed things so we get the cock shot too. ;-)
And Ginny, wow -- her face is so perfectly shocked. And her hair is gorgeous, the way it's a little disheveled on top.
This is incredibly delicious, "mystery" artist! I love every bit of it.