Futanari Sisters' Shimapan

Futanari sisters have fun doing it without taking off their strip panties in this CG image collection.

Sisters have a unique body since their birth. They have both female and male sex organs.
As they grow, they begin to notice the peculiarity of their body from others.

The younger knows
that her sister is doing something before she goes to sleep and makes her panties wet.

The elder knows.
that her sister watches her body thoroughly and makes her panties swollen.

And the day came when the younger sister experiences her first ejaculation.
"Oh my god... it feels sooo good!"

She was sure her sister knows the secret of their body.
And her curiosity directed towards her older sister...

12 base images, 42 including variations.
Plus the text-free version is also included.
Strip panties has 6 color variations: black, blue, pale blue, green, pink and red.
This makes 504 images.
Adding character introduction and title images, grand total 518 images.

1600x1200 size in jpeg format.

Warning: depicts mother milk, gapeface, plump belly