"500 Girls 500" is a new work known to a narrow circle of SFM, author of the "UnidentifiedSFM". The action of hentai takes place in the near future on a spaceship. 500 men and 500 women were sent far from the solar system to find and colonize a habitable planet. To process was more sparing all passengers, they were loaded into the cryoson, while traveling to the constellation "Ultima". The journey was to be about 100 years. However, something