Circle: SiGMAGURO
Released: Jul/31/2025
Work Format: Adventure
Genre: Buttocks, Knee Socks, Gag / Joke, SF, Internal Cumshot, Pregnancy / Impregnation, Big Breasts, Expressionless / Deadpan
File size: 88.14 MB

Game Introduction
Control microscopic life within Ayane’s body in a thrilling survival-style competition. Overcome obstacles, collect DNA, and evolve your abilities. Are you ready to enter Ayane’s world and embark on a journey of biological evolution that goes beyond what’s taught in textbooks?

Pregnant Star Maiden Ayane
The heroine, Ayane, is an alien girl from the planet Ninsei (“Pregnant Star”).
She crash-lands in the protagonist’s laboratory along with her space capsule.
Upon learning that her mission involves reproduction and propagation on Earth, the protagonist decides to cooperate with her willingly.

Gameplay
The player controls the protagonist’s sperm,
navigating through Ayane’s body to avoid antibodies.
Collect Ayane’s DNA to strengthen the sperm,
break through the egg, and achieve successful fertilization.

If any download asks for a password to unzip, the password is: fapforfun


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