The article is out of date. According to this one, the game has been removed from sale on Steam in the UK, Canada and Australia, and the dev is going to withdraw it from Steam entirely.
Zerat Games has announced it will withdraw its sexually explicit visual novel from Steam after it was removed from sale in the UK, Canada, and Australia.
Posted to the game's Steam page, which is no longer accessible to those who have not previously purchased the game, the developer defended its title but confirmed it would be removed from the platform.
"We don't intend to fight the whole world, and specifically, we don't want to cause any problems for Steam and Valve," the developer said.
It's ridiculous that the US government is paying a foreign government to detain prisoners on its behalf and seems to be claiming it didn't put anything in the contract about a way to get the prisoners back.