Video Description: A futanari mad scientist, Serene Siren, leads her submissive new test subject, Leana Lovings, into a laboratory. Serene's hypothesis is that continuous sexual stimulation, mixed with just the right amount of futa cum, can trigger spontaneous appendage growth... in other words, if this works, it will cause Leana to undergo a futanari transformation. Serene positions Leana on the saddle of a sex machine, pulling aside Leana's panties so the machine's dildo can enter her. As the machine's vibrations intensify, Leana's pussy gets wetter and wetter... and her nipples even start lactating!Serene gets so excited that her cock becomes hard, and she has Leana give her a blowjob. Serene eventually blows a load into Leana's mouth, and after Leana swallows the futa cum, she ends up growing her own cock! Serene is delighted that her experiment worked, and Leana eagerly strokes her new cock until it becomes big and hard. After that, the two futanari beauties celebrate Leana's transformation by having incredible sex. Behold, the power of science!

Video Description: Serene Siren seems to be examining some items in a box. Her stepdaughter, Kimmy Kimm, comes home and asks her what she's doing. Instead of answering right away, Serene says that she needs a favor from Kimmy. It is revealed that Serene is trying to launch her own line of erotic products, but she needs a test subject for the product samples. She asks Kimmy if she can be that subject. Kimmy is eager to please, and agrees to it.Serene says that the first product to try is lingerie. She surprises Kimmy by rapidly stripping Kimmy out of her clothes and getting her into the sexy lingerie. Serene then maneuvers Kimmy into various positions, to test the comfort of the lingerie.Kimmy then gets surprised again when her lingerie is quickly stripped off, and Serene tests various massage oils on different parts of Kimmy's body.Next, Serene uses a vibrator and a dildo on Kimmy, to test which one she likes better. After getting Kimmy's feedback on those two items, Serene says the last thing to test is a strap-on. She admits that she's the most concerned about the quality of this item, so it would be better to test it under 'real world circumstances'. In other words, they should simulate realistic sex. Serene asks if that's okay. Kimmy is still in disbelief that all this is happening, however she's also turned on, and agrees to it!

Video Description: Victoria Voxxx is no ordinary masseuse, imbuing her practice with a certain zen quality. After cleansing her space and offering some words of gratitude to the Universe, she welcomes in her next client Serene Siren. Serene's just finished an extra-long shift at the hospital, working as a nurse and looking over countless patients. Needless to say, she's totally exhausted. Luckily for her, however, Victoria knows exactly what she needs. From the moment Serene walked in, Victoria could tell just by looking at her aura that Seren's energy has been severely depleted. She spends all day nurturing others but she's neglected to nurture herself. Well, this is Serene's time to get pampered, and Victoria promises to give her a sensual massage that is sure to open up those tightly-wound chakras of hers.But as Victoria runs her hands over Seren's perfect skin, she can't help but want to give her more. This woman works so hard, so she deserves to feel the maximum amount of pleasure before going back out into the harsh world. So, after opening up a couple of her chakras, Victoria opens up Serene's legs and starts licking her clit, getting her nice and wet. Before long, the two of them start having sensual, erotic sex, and it's just what Serene needs to feel rested and rejuvenated.

Video Description: Stepmom Serene Siren and stepdaughter Kattie Taylor are yoga partners for today while her dad is away and there's nothing much to do at home. Stepmom really helps Kattie stretch and open up her body in her favor, Kattie enjoys her touches, most specially her tongue into her juicy cunt.