A mad scientist meets his female self from another universe.
Lars helps his twin sister Jana with a contest.
Sister's thoughts of a photo with Brother makes her wonder.
From a total sex novice to a honeymoon slut of two brothers.
The Final Chapter: more good times for Robbie & Becky.
My closest and tightest friend, my twin sister, was a hottie.
Luke & Leia figure out a way to create another Vergence.
Fraternal twins discover mutual love on their 18 birthday.
Twins June & Merry thank brother Jack for his kindness.
Al's desires expand to include others besides sister.
Slut goth sister & Ivy League brother discover each other.
2 sets of twins find a cure for their summer boredom.
Parental perversions are discovered; a plan hatched.
Fraternal twins share a romantic & sexual relationship.
Twins find mutual pleasure in awkward situation
Twin sisters do each other & the hotel bartender.
Twin sisters do each other in front of a bartender.